Wi-Fi Google Assistant Home Security Sensors and Motion Detectors for sale

MOES WiFi Smart Temperature & Humidity Sensor Hygrometer Thermometer APP Remote
Brand New
$13.59 to $42.49
Was: $15.99was - US $15.99
Free shipping
E+X UI^ &S* V G] w1. A?I !|/ $S p o n s o r e d
SimpliSafe Motion Sensor MS3 (New)
Brand New · SimpliSafe
(9)
$20.00
or Best Offer
$4.84 shipping
+^8 L& K*6 E ]M w.? B!|/ I $S p o n s o r e d
MOES WiFi Smart Wireless Motion Sensor Human Body IR Detector APP Remote Monitor
Brand New
$15.29 to $39.59
Was: $16.99was - US $16.99
Free shipping
+K^ &0* GV ] D4 w.SY? !H|/D $S p o n s o r e d
WiFi Wireless Smart Door Window Sensor Detector Safe Alarm for Alexa Google Home
Brand New · Unbranded
$10.65
or Best Offer
Free shipping
645 sold
+^ &* ] ZwO. ?!GA |12/ CZ I$S p o n s o r e d
2 Pack Ring Alarm Motion Wireless Detector 2nd Gen White 4SP1SZ-0EN0
Brand New · Ring
(34)
$39.95
Free shipping
138 sold
+^5Z I P &*I7 ] w5.?!|/ U G$
Set of 2 Ring Alarm Motion Wireless Detector 2nd Gen White 4SP1SZ-0EN0
New (Other) · Ring
(34)
$28.00
Free shipping
76 sold
Y6+^ & 82 *N4 V2 ] w. ?!|U/ $
SimpliSafe Entry Sensor, Security System Accessory ENS306 White, Pack of 6
Brand New · SimpliSafe
(5)
$54.99
Was: $99.99was - US $99.99
Free shipping
Only 1 left!
W+^C &* ] w.9P? !M|C/ LD $
Wyze Home Monitoring Bundle with Motion, Entry sensors, Keypad, Hub New Open Box
New (Other) · Wyze
(12)
$40.00
Trending at $54.49
Free shipping
+^KU &* ]A 6w. ?!|VY / $O
Moen Smart Leak Detector 1-Pack Works At First Leak O/B No batteries #3596
New (Other) · Moen
(10)
$24.99
Free shipping
G+^V & * ] w.QP? !|/T $6 CJ
Wyze Home Security System (WSHMS) w/ Hub Keypad Motion Sensor Entry Sensor
Official WYZE Manufacturer ✅✅30 Day Warranty✅✅
Pre-Owned · Wyze
(12)
$40.64
Free shipping
P+0^ &*ZT ] w.?T!|/B 4 L$
Set Of (2) Moen Smart Water Leak Detector, Model: 920-004 New In Box
Brand New · Moen
(10)
$55.00
Free shipping
+6^ C& *Y5 ] YW wRQ. ?!|OD/ $
3X NEW Simplisafe MOTION SENSOR White CA001 Brand New
Brand New · SimpliSafe
(4)
$47.50
or Best Offer
Free shipping
+^O &* 7 D] Rw .5?!N ER|/ IV $
New ListingMotion Sensor, Eufy Security Home Alarm System Motion Sensor, 100° Coverage, 30
Brand New · Eufy
(2)
$19.00
or Best Offer
Free shipping
+^ &* M] Cw HU.?!|/ $ H6 U
New ListingGeeni Window and Door Sensor Alarm 2 Pack WiFi Battery Powered Voice Control
New (Other) · Geeni
$19.99
Free shipping
K+^ 8& 8*0 ]3 wT .?Q0 !1|/1 $
Samsung SmartThings Motion Sensor for Samsung SmartThings HUB
Brand New · Samsung
(9)
$15.99
Trending at $18.98
Free shipping
+F3 ^ &C*K ]H w2.?! CT X|/C $
(2 Pack)Ring Alarm Motion Wireless Detector [2nd Gen] White -NEW-
Brand New · Ring
(34)
$39.95
Free shipping
Y+0^ 4 I &* ] w.M?K !|/37 $
Ring Alarm Motion Detector (2nd gen) Z-Wave - 5AT2S9 (/RT6-22963-5AT2S9-UA)
Pre-Owned · Ring
(1)
$15.99
or Best Offer
Free shipping
114 sold
+ZG^ U&*M ] w V.8 V?O! PU |/ $
SimpliSafe Home Security System Keypad SSKP3 Simpli Safe Remote Only
Pre-Owned · SimpliSafe
$9.99
or Best Offer
$5.00 shipping
MO+^ EQ &G* ] 8w.? H!B| 4/ $
Aqara Presence Sensor FP2 Kit Apple HomeKit mmWave Home Monitor Open Box
New (Other)
$64.99
$4.71 shipping
+QQ VR^ & U*T ] w6.?!|/ W $
eufy T8990121-4 Security 5-Piece Home Security Kit
Brand New · Eufy
$89.49
Free shipping
13 watching
+2^O &6* ] Ww.? !|OW /OJ O$
NEW ecobee SmartSensor for Doors and Windows 2-Pack 2022 White - EB-DWSHM2PK-01
New (Other) · ecobee
(8)
$45.12
or Best Offer
Free shipping
Only 1 left!
KH+ 4^T & 2*R ]2 wS.?!|/ $
Smart Wi-Fi Home Window Door Security Alarm Sensor System Alexa Google Tuya App
Brand New · SmartSecurity
(2)
$11.65
or Best Offer
Free shipping
X+^O 6V&* O Z ] w.FQ 1?!|/ $
Ring Contact Sensor for Alarm 2nd Gen 5AT3S2 SKU 4SD1SZ-0EN0 - White
Pre-Owned · Ring
(34)
$10.00
Trending at $12.13
$5.00 shipping
+^S &* ]U FwV C.?K! |/YR 76 $
New ListingLot 3 Aqara Door and Window Sensor Requires Aqara Hub MCCGQ11LM Sealed
Brand New
$29.99
$5.35 shipping
+^ &M*R ] w.?UN!| / $2R
Ring Alarm Wireless Z Wave Plus Network Range Extender Outlet 1st Gen
Brand New · Ring
(1)
$13.99
or Best Offer
Free shipping
+^ &* ]N4 K0 wK.?2! |/ $Z
ECOBEE SMART SENSOR 2 Pack NEW (CW2033788)
Pre-Owned · ecobee
(8)
$57.00
or Best Offer
$8.60 shipping
PI+ LJ^ &* U 5] w .?8C!| P/U $
Wyze Home Monitoring Security System Sense Hub Keypad 2 Entry Motion Sensors V2
New (Other) · Wyze
(12)
$49.99
or Best Offer
Trending at $54.49
Free shipping
5 watching
+XT ^ &*F D] w .?5Z!|/ D $
Solar Driveway Alarm Wireless Outside 1800ft Range, Outdoor Motion Sensor & D...
Brand New · Unbranded
(2)
$15.00
$4.71 shipping
1 bid
2h 42m
+^ Y&* ] 7w .?!|P/ T $ZO N
Tuya WiFi Window / Door Sensor Remote Control Smart Home Security Alarm Sensor
Brand New · Unbranded
$10.89 to $28.99
Free shipping
GT+ ^ 5&V VZ H* H] w. S?!R|/ $S p o n s o r e d
Smart Water Leak Sensor Detector APP Alarm WiFi Home Water Leak Detector
Brand New
$11.44
or Best Offer
Free shipping
10 watching
+^ &* ] 7N w.QS? !|/ $S4 NS p o n s o r e d
MOES WiFi Smart Hygrometer Thermometer Temperature Humidity Sensor Alexa Google
Brand New
$13.59 to $42.49
Was: $15.99was - US $15.99
Free shipping
0+^ &R* Y]S 3wT.?! |/S $K S p o n s o r e d
Smart Water Leak Sensor Detector APP Alarm WiFi Home Water Leak Detector Lot
Brand New · Unbranded
$11.39 to $72.50
Free shipping
5+^F &* ] w.?OZ 40! |65/ Y$S p o n s o r e d
SimpliSafe Home Security System - Glassbreak Sensor GB3 White New
Brand New · SimpliSafe
(1)
$33.95
Free shipping
J+A QN^ D&5 2* ] w.P A6?!|/ $
Moen Smart Leak Detector (1-pk*) 920-004 (SEALED) (NEW)
Brand New · Moen
(10)
$15.00
$12.00 shipping
0 bids
21h 11m
+0^ &J *Y ]U S Uw .B?I A!E| / $
Govee Life Wi-fi Smart Gateway 2 with Smart Thermo-Hygrometer 3 Lite
New (Other)
$39.95
Free shipping
G+^2 X&8* ]1I KM Tw1 .?!|/ $
Z-Wave Smart Door / Window Sensor Compatible with Samsung SmartThings Hub Retail
Brand New · Wink
(38)
$16.99
Was: $29.99was - US $29.99
Free shipping
525 sold
O+7 Q1 ^N &U* ]L w.?!|/C $
Lot of 2 Aqara Door and Window Sensor for AQARA HUB Required 2x MCCGQ11LM
Brand New
$20.00
$6.69 shipping
+^X D&* ] w. ZT ?!74 Z3| /N $
Aqara Water Leak Sensor Kit - 3 Pack, Requires AQARA HUB, Wireless NEW TZ-005
Brand New
(1)
$33.75
$7.75 shipping
1 bid
5d 4h
+^ &*JM 3] Gw.? !8|/Z G$0
Tuya Smart WiFi Infrared Detector PIR Motion Sensor Home Security Google Alexa
Brand New · Unbranded
(2)
$13.45
or Best Offer
Free shipping
393 sold
+P4 IG^ C &8* ] w. 1?!3| / $S p o n s o r e d
MOES WiFi Smart PIR Sensor Wireless Human Body IR Motion Detector Home Security
Brand New
$13.59 to $35.19
Was: $26.99was - US $26.99
Free shipping
+^L &* Y 2] w.C ?!Y9 |/ $S p o n s o r e d
Lot Of 5 VIVINT VS-DW2100-345 Recessed Door Contact Sensor SmartHome No Magnets
Pre-Owned · Vivint
(7)
$24.95
$5.00 shipping
4 watching
7+^ &* ] Yw. P?6! 20 |K7 CG / $
Aqara Temperature and Humidity Sensor Outdoor Cover Case - Buy 1 get 1 Free !!!
Brand New
$10.99
Free shipping
+^ &*9 ] w.?D!| /AU 9K 5R 5$
Brand New Wyze Sense Starter Kit Motion Sensor WHSK1 Home Security System
Brand New · Wyze
(20)
$49.98
or Best Offer
Free shipping
1+^J &L3* WC ]X wA.? !|/3V $
NEW Simplisafe MOTION SENSOR White CA001 (Latest Model)
Brand New · SimpliSafe
(4)
$28.95
Trending at $34.49
Free shipping
312 sold
KC+^ 2V &* Q4] wJ.?6!| F/3 $
Ring Mailbox Sensor White Brand New In Box
Brand New · Ring
$22.95
or Best Offer
Trending at $28.00
$5.00 shipping
F6+^ &E* ] wN.?! U|/ $F
Ring Wi-Fi Smart Mailbox Sensor - White
Brand New · Ring
$28.00
Free shipping
16 sold
+^ U&*B ]1P Ow.?6 !SW| BQ/ $
NEW Ring Alarm Motion Detector (2nd Gen) (1-Pack) - White
Brand New · Ring
(34)
$19.99
Trending at $39.95
Free shipping
75 Q+J ^ &83* ]S Z Zw.?6!| / $
Smart Thermometer Hygrometer Wi-Fi Temperature Humidity Sensor Alexa Google Home
Brand New
(1)
$89.99
Free shipping
356 sold
+W^G & O* ] Ow.?!| / $G5
Arlo MS1001 All-In-One Sensor with 8 Functions for Home Security System
Brand New · Arlo
(1)
$35.00
or Best Offer
$3.00 shipping
4 watching
X9+ OD^ T5 &*D ]S Ww.?Q! |/ $
SimpliSafe Home Security Panic Button
New (Other) · SimpliSafe
(2)
$6.99
$4.52 shipping
1 bid
1d 4h
P+L^ T L &BD* F] 1w PY. ?!|/ $
ecobee Smart Entry & Motion Sensor for Doors & Windows - 2 Pack
Brand New! Free Shipping!
Brand New · ecobee
(8)
$79.99
Was: $99.99was - US $99.99
Free shipping
19 watching
+^AV &* ]F wL.? !FJ| J/O P9 $
Zigbee Smart Home Alarm Kit Home Automation Hub Door Sensor PIR Motion w/ Alexa
Brand New
$12.98 to $39.88
Free shipping
101 watching
+8^3 & H*K Q] wJ.? 4K !|/5L $
Wyze Home Monitoring Bundle with Motion, Entry sensors, Keypad, Hub SEALED
Brand New · Wyze
(12)
$10.00
$14.40 shipping
1 bid
8d 5h
+2^ 1 87&* ] w9O.? NF! |/PD $
SimpliSafe Water Gen 3 Sensor Flood Heater- NEW Home Security AC Monitor WT3
Brand New · SimpliSafe
(2)
$24.00
Trending at $24.47
$4.71 shipping
+Q^2 &* 9] wO .RM?!|/ $P
Samsung SmartThings Motion Sensor ZigBee Alexa Z-wave 3rd Gen
Brand New · Samsung
(16)
$39.00
$6.20 shipping
Only 1 left!
F5 +22^ W &* ] O w.?!9Y |/3 $
SimpliSafe Glassbreak Sensor GB3 White - NEW
Brand New · SimpliSafe
(1)
$39.99
or Best Offer
Free shipping
YF+^ &ST* ] 7X w.3I? !X|0/ $
Somfy Soliris RTS Sun-Wind Sensor, 24V (9012500)
Brand New · Somfy
$253.95
Free shipping
+J^ &2 *S 1] 2 wL .?!|/ J$2
Ring Alarm Motion Detector - 2nd Gen - White - New Authentic
Brand New · Ring
(3)
$24.99
Free shipping
+^ 5&* Y] w 81 AB 6.Q ?!|1C / $
Smart TUYA WiFi Controller for Olide Automatic Swing&Sliding Door Opener
Brand New
$45.15
$500.00 shipping
42 +^J &1 * ]M8 Jw.?F!| 7E / $S p o n s o r e d
1-6Pack Smart Water Leak Sensor Detector APP Alarm WiFi Home Water Leak Detector
Brand New · Unbranded
$11.39 to $45.19
Free shipping
K+^ &1* ] wT.U? !1|K IF /M $S p o n s o r e d

Wi-Fi Google Assistant Home Security Sensors and Motion Detectors

Shop by Category

1,590 Results

MOES WiFi Smart Temperature & Humidity Sensor Hygrometer Thermometer APP Remote

SimpliSafe Motion Sensor MS3 (New)

MOES WiFi Smart Wireless Motion Sensor Human Body IR Detector APP Remote Monitor

WiFi Wireless Smart Door Window Sensor Detector Safe Alarm for Alexa Google Home

2 Pack Ring Alarm Motion Wireless Detector 2nd Gen White 4SP1SZ-0EN0

Set of 2 Ring Alarm Motion Wireless Detector 2nd Gen White 4SP1SZ-0EN0

SimpliSafe Entry Sensor, Security System Accessory ENS306 White, Pack of 6

Wyze Home Monitoring Bundle with Motion, Entry sensors, Keypad, Hub New Open Box

Moen Smart Leak Detector 1-Pack Works At First Leak O/B No batteries #3596

Wyze Home Security System (WSHMS) w/ Hub Keypad Motion Sensor Entry Sensor

Set Of (2) Moen Smart Water Leak Detector, Model: 920-004 New In Box

3X NEW Simplisafe MOTION SENSOR White CA001 Brand New

New ListingMotion Sensor, Eufy Security Home Alarm System Motion Sensor, 100° Coverage, 30

New ListingGeeni Window and Door Sensor Alarm 2 Pack WiFi Battery Powered Voice Control

Samsung SmartThings Motion Sensor for Samsung SmartThings HUB

(2 Pack)Ring Alarm Motion Wireless Detector [2nd Gen] White -NEW-

Ring Alarm Motion Detector (2nd gen) Z-Wave - 5AT2S9 (/RT6-22963-5AT2S9-UA)

SimpliSafe Home Security System Keypad SSKP3 Simpli Safe Remote Only

Aqara Presence Sensor FP2 Kit Apple HomeKit mmWave Home Monitor Open Box

eufy T8990121-4 Security 5-Piece Home Security Kit

NEW ecobee SmartSensor for Doors and Windows 2-Pack 2022 White - EB-DWSHM2PK-01

Smart Wi-Fi Home Window Door Security Alarm Sensor System Alexa Google Tuya App

Ring Contact Sensor for Alarm 2nd Gen 5AT3S2 SKU 4SD1SZ-0EN0 - White

New ListingLot 3 Aqara Door and Window Sensor Requires Aqara Hub MCCGQ11LM Sealed

Ring Alarm Wireless Z Wave Plus Network Range Extender Outlet 1st Gen

ECOBEE SMART SENSOR 2 Pack NEW (CW2033788)

Wyze Home Monitoring Security System Sense Hub Keypad 2 Entry Motion Sensors V2

Solar Driveway Alarm Wireless Outside 1800ft Range, Outdoor Motion Sensor & D...

Tuya WiFi Window / Door Sensor Remote Control Smart Home Security Alarm Sensor

Smart Water Leak Sensor Detector APP Alarm WiFi Home Water Leak Detector

MOES WiFi Smart Hygrometer Thermometer Temperature Humidity Sensor Alexa Google

Smart Water Leak Sensor Detector APP Alarm WiFi Home Water Leak Detector Lot

SimpliSafe Home Security System - Glassbreak Sensor GB3 White New

Moen Smart Leak Detector (1-pk*) 920-004 (SEALED) (NEW)

Govee Life Wi-fi Smart Gateway 2 with Smart Thermo-Hygrometer 3 Lite

Z-Wave Smart Door / Window Sensor Compatible with Samsung SmartThings Hub Retail

Lot of 2 Aqara Door and Window Sensor for AQARA HUB Required 2x MCCGQ11LM

Aqara Water Leak Sensor Kit - 3 Pack, Requires AQARA HUB, Wireless NEW TZ-005

Tuya Smart WiFi Infrared Detector PIR Motion Sensor Home Security Google Alexa

MOES WiFi Smart PIR Sensor Wireless Human Body IR Motion Detector Home Security

Lot Of 5 VIVINT VS-DW2100-345 Recessed Door Contact Sensor SmartHome No Magnets

Aqara Temperature and Humidity Sensor Outdoor Cover Case - Buy 1 get 1 Free !!!

Brand New Wyze Sense Starter Kit Motion Sensor WHSK1 Home Security System

NEW Simplisafe MOTION SENSOR White CA001 (Latest Model)

Ring Mailbox Sensor White Brand New In Box

Ring Wi-Fi Smart Mailbox Sensor - White

NEW Ring Alarm Motion Detector (2nd Gen) (1-Pack) - White

Smart Thermometer Hygrometer Wi-Fi Temperature Humidity Sensor Alexa Google Home

Arlo MS1001 All-In-One Sensor with 8 Functions for Home Security System

SimpliSafe Home Security Panic Button

ecobee Smart Entry & Motion Sensor for Doors & Windows - 2 Pack

Zigbee Smart Home Alarm Kit Home Automation Hub Door Sensor PIR Motion w/ Alexa

Wyze Home Monitoring Bundle with Motion, Entry sensors, Keypad, Hub SEALED

SimpliSafe Water Gen 3 Sensor Flood Heater- NEW Home Security AC Monitor WT3

Samsung SmartThings Motion Sensor ZigBee Alexa Z-wave 3rd Gen

SimpliSafe Glassbreak Sensor GB3 White - NEW

Somfy Soliris RTS Sun-Wind Sensor, 24V (9012500)

Ring Alarm Motion Detector - 2nd Gen - White - New Authentic

Smart TUYA WiFi Controller for Olide Automatic Swing&Sliding Door Opener

1-6Pack Smart Water Leak Sensor Detector APP Alarm WiFi Home Water Leak Detector

Best Selling

Ring 4SP1SZ-0EN0 Motion Detector Alarm - White

Simplisafe Motion Sensor White MS3

Moen Flo 920-004 Smart Water Leak Detection System

SimpliSafe Water Sensor WT3 - Security System

SimpliSafe Home Security System Base station Keypad Motion Sensors etc.

Wyze Home Security System Core Kit with Hub, Keypad, Motion, 2 Entry Sensors and 6 Months of 24/7 Professional Monitoring Included

Govee H5040 Water Detector 3-pack With RF WiFi Gateway

Wink WNK-DW1 Smart Door/Window Sensor

Top Rated

Ring 4SP1SZ-0EN0 Motion Detector Alarm - White

Solar 1/2 Mile Long Range Solar Wireless Driveway Alarm - Black

Govee H5040 Water Detector 3-pack With RF WiFi Gateway

ecobee SmartSensor for Doors and Windows - Pack of 2 (EB-DWSHM2PK-01)

Battery Operated Wireless Driveway Alarm Alert Security System Bunker Hill 93068

Wink WNK-DW1 Smart Door/Window Sensor

Kangaroo Home Security Motion Sensor - White