Wi-Fi Home Security Sensors and Motion Detectors for sale

Ring Alarm 5-Piece Security Kit - White (4K11S7-0EN0)
New (Other) · Ring
(136)
$55.00
or Best Offer
$4.52 shipping
5X +H^ K& *S ] L w2.H?! |W/K $S p o n s o r e d
DSC Neo PG8984P Wireless Dual Detector NEW
Brand New · DSC
(1)
$33.99
Was: $39.99was - US $39.99
or Best Offer
$13.63 shipping
+^Z P &*20 R] w.?!|/K $ 89S p o n s o r e d
Guardline 500 Foot Long Range Outdoor Driveway Wireless Alarm [1 Sensor]
New (Other) · Guardline
(9)
$37.99
Was: $62.95was - US $62.95
or Best Offer
Free shipping
4+^ &E* ]2 K w7.R?!| / 9$3 S p o n s o r e d
Smart Oil Gauge Duo - WiFi Heating Oil Tank Smart
Pre-Owned
$79.95
or Best Offer
$6.53 shipping
+^HU &L* ] w.?!V 7O| / $TS p o n s o r e d
New ListingRing Alarm 5 Piece Kit Wireless Home Security System
New (Other) · Ring
(136)
$99.99
or Best Offer
$8.24 shipping
+1^E &*J3 ] H 8w. ?!|MV /FU $
2 Pack Ring Alarm Motion Wireless Detector 2nd Gen White 4SP1SZ-0EN0
Brand New · Ring
(34)
$39.95
Free shipping
138 sold
+^ &*3 O 2] M wI.?!R |/C $
Honeywell Wireless Motion Detector 5800PIR-RES - 10 units
Brand New · Honeywell
(68)
$289.00
Free shipping
Only 1 left!
PF Z5+ O^S 9F &I*7 ] w.?!|/ $
New Qolsys IQ Panel 2 + QS9201-1208-840 PowerG 319.5 Mhz GE Interlogix Verizon
VISIT MY STORE AND SAVE $$$ ON BULK AND LOT SALE
Open Box
$98.10
Was: $109.00was - US $109.00
or Best Offer
Free shipping
101 sold
U+^ C &* ] wRC 7.X ?!|/ W$7
Set of 2 Ring Alarm Motion Wireless Detector 2nd Gen White 4SP1SZ-0EN0
New (Other) · Ring
(34)
$28.00
Free shipping
75 sold
+^ &U* U] HA w .3?!|/Z $9
Guardline GL 2000 Wireless Driveway Alarm with Outdoor Motion Sensor
Brand New · Guardline
(82)
$52.00
$11.71 shipping
54 sold
3D+^ & * Z] wL .?!ZD|/ $RN
New Listing( x4) Ring Alarm Contact Sensor (2nd Gen) Wireless Sensor Brand New
Brand New · Ring
$59.99
or Best Offer
$8.24 shipping
+OL^ 2 6&* ] wN9.?!|/ $ P
Power Failure Alarm with Email, Text Message, and Audio Alerts(2nd Generation)
Brand New
(1)
$59.99
Free shipping
121 sold
QJ R+^2 &* E]7 G6 JPw .?!|/ $
( x4) Ring Alarm Contact Sensor (2nd Gen) Wireless Sensor Brand New
Brand New · Ring
$65.00
Free shipping
40 sold
5Y 0+^ &O* 7E] w. G?R! |/83 $
New ListingQolsys IQ Wireless S-Line Encrypted Glass Break Sensor (QS1431-840)
Brand New · QO
$35.00
or Best Offer
Free shipping
C+^ &8 *P ] U 8Ew. 1?!|K /0 $S p o n s o r e d
2gig E sensors
Brand New · 2gig
$25.00
or Best Offer
$4.57 shipping
+^ T&Y* 3C] wL.E?! TS 2B| / $S p o n s o r e d
Lot of 10 XFINITY Security Visonic XHS2-TY MCT-350 SMA ZigBee Door Window Sensor
Brand New · XFINITY
(14)
$44.99
or Best Offer
Free shipping
867 sold
+5^ O &FU * X] w.G?! |Q/O $S p o n s o r e d
Brand New Honeywell Home -5800Pir- Res Wireless-Motion Detectors - (5) Unit Lot.
Brand New · Honeywell
(68)
$155.00
Free shipping
+7I^ CU I&* 5 Z] Tw .?2!|/ $
eufy Security Water and Freeze Sensor with Remote Alerts Waterproof App Control
Brand New · Eufy
$34.99
or Best Offer
Free shipping
238 sold
GB +7^ &*8 ]DF w.?J!0 X1|/ $
MOEN 920-005 Smart Leak Detectors (3-Pack)
Brand New · Moen
(7)
$93.99
Free shipping
+^ &* ] HA wF.G? KP!| / $ER
Human Sensor L13 For Home Assistant By SCREEK (HLK-LD2412S, ESP32-C3, ESPHome)
Brand New
$23.91
Was: $25.99was - US $25.99
or Best Offer
$5.00 shipping
301 sold
I+^ I&* VS] w.?! MB|/ 8U $
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 2 left
0+^ B& 99 *A ]6 w2.6? !G|H/ $
eufy Security Entry Sensor Send Alert Triggers Siren for Doors Windows Detects
Brand New · Eufy
(1)
$29.99
or Best Offer
Free shipping
873 sold
OJ +^ &4*3 ]MQ w.? !|S/E $
3X NEW Simplisafe MOTION SENSOR White CA001 Brand New
Brand New · SimpliSafe
(4)
$47.50
or Best Offer
Free shipping
H+^ &* P] P w.S? !|1E/ $17
Human Sensor 2A For Home Assistant By SCREEK (HLK-LD2450, ESP32-C3, ESPHome)
Brand New
$27.59
Was: $29.99was - US $29.99
or Best Offer
$5.00 shipping
2,132 sold
+^US &* V]T XY w.J?!|/V $
New ListingRing Alarm Motion Detector - 2nd Gen - White - New Authentic
Brand New · Ring
(3)
$20.00
$4.84 shipping
+M^ &5 K* ]3 w. CJ? 7!|/ D $
Moen Smart Leak Detector 1-Pack Works At First Leak O/B No batteries #3596
New (Other) · Moen
(10)
$24.99
Free shipping
Z7+ ^KY 1&7* EY X ] 4w.? !|/ $
Honeywell Sixpira LMD500 Two Way Wireless PIR Motion Sensor White NIB Fast Ship
Brand New · Honeywell
(1)
$29.95
Trending at $41.64
$7.95 shipping
5 watching
+^7 T& * ] w.?!|3/F $ Q4
New ListingGovee Smart Thermo-Hygrometer H5074 Model 2-Pack Open Box
New (Other)
(3)
$14.99
$5.00 shipping
+^Z W D2 &V*X C]T w CN.?!| / $
MOEN 920-005 Smart Leak Detectors (3-Pack)
New (Other) · Moen
(7)
$94.99
Free shipping
+C^R T &7* ] Vw5 H5.?!| / W$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
CE +^K C S&3* ]1 w.?!B |/ $S p o n s o r e d
SimpliSafe Motion Sensor MS3 (New)
Brand New · SimpliSafe
(9)
$20.00
or Best Offer
$4.84 shipping
VH+^ &Z* 1 8] Hw.? !E|/ 7$ S p o n s o r e d
Yi Kami Smart Security Starter Kit Wireless Window Door Entry Motion Sensor
Brand New · YI
(2)
$17.99
Was: $69.99was - US $69.99
Free shipping
126 sold
C+^3 &8* ] Qw.? !|/ D$S 0S p o n s o r e d
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
+^ M&4 Q*E ] wK.R?! |/S T $
Waterproof Solar Alarm Light Strobe Warning Light Wireless Motion Sensor Outdoor
Brand New · Unbranded
$9.19
Free shipping
46 sold
+5^G & H* ]8 w. ?!|F/ Q$ E
Human Sensor 1U For Home Assistant By SCREEK(Small Size, LD2410C, ESP32-S2)
Brand New
$23.91
Was: $25.99was - US $25.99
or Best Offer
$5.00 shipping
1,234 sold
+^ PQ&* 26 Z7] w. ?JM! |/ $
Wyze Home Security System (WSHMS) w/ Hub Keypad Motion Sensor Entry Sensor
Official WYZE Manufacturer ✅✅30 Day Warranty✅✅
Pre-Owned · Wyze
(12)
$40.64
Free shipping
C+K^ &*O ] wG 42.? !5D |/ 2$
Brand New Honeywell 5800PIR-RES Wireless PIR, Pet Immune Motion Sensor
Brand New · Honeywell
(68)
$39.99
Free shipping
+U^ T& 4C* ] WFw.? S!M| KT/ $
GE Interlogix 60-807-95R Wireless Motion Sensor, Simon XT XTi Concord
Pre-Owned · Interlogix
(40)
$34.99
Free shipping
360 sold
+^S9 F&Y * ] 14 VwX .?!Y|/ $
ZOSI 4K Outdoor Spotlight PoE Security Camera System 16CH NVR with IP Camera 8MP
Brand New · ZOSI
$669.99 to $1,299.99
Free shipping
+^J &* ]S 7 wI.?! E6| /M8 $S p o n s o r e d
HIKVISION DS-PWA48-E-WB (AX PRO) Wireless Alarm Panel / Supports 48 Zones
Brand New · Hikvision
$208.53
Was: $219.51was - US $219.51
or Best Offer
Free shipping
Only 3 left
B+4 ^C &* F ]D w4.?! V|/ F 3$S p o n s o r e d
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
ZQ+ X^O EB &9* ]2 w.?M6 !|/ $
Geeni Smart Door and Window Sensors White 2-Pack SEALED NEW
Brand New · Geeni
(4)
$19.99
$6.55 shipping
+^ Q8 K&*I YG MW] Sw.?!J|/ $
NEW Vivint Smart Sensor VS-DW1200-345 Smart Door and Window Sensor
Brand New · Vivint
$29.99
Free shipping
278 sold
R3+^ & *HP ] w.CD?!|/ $MF
Aqara Presence Sensor FP2 Kit Apple HomeKit mmWave Home Monitor Open Box
New (Other)
$64.99
$4.71 shipping
S+A ^ &4*7 ] w.?!|B4/ G W $
Ring Alarm 5 Piece Kit Wireless Home Security System
New (Other) · Ring
(136)
$58.00
Free shipping
5 watching
+^0 &8* ] w.9F? !|/ S$3
SIXFOB KEY FOB
Brand New · Honeywell
$12.00
or Best Offer
$4.08 shipping
+^9M &CX* ] w .?!2L Q|/ $L
eufy T8990121-4 Security 5-Piece Home Security Kit
Brand New · Eufy
$89.49
Free shipping
14 watching
J+B^ &*Z ]H BZw O.?G! |SN/ $
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
+YR^ &*U Y 3]F w.? Q!I| / $
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!
+^X &F *J 3 A]Y w .?F!|5 G/L $
(2 Pack)Ring Alarm Motion Wireless Detector [2nd Gen] White -NEW-
Brand New · Ring
(34)
$39.95
Free shipping
+QX^ &* ] Pw.?!C |/FG F $
4PK SimpliSafe Home Security Window/Door Entry Sensor ES3 White New
Brand New · SimpliSafe
$42.45
or Best Offer
Free shipping
Only 1 left!
W+^Z 5 7& * JP] w.E?2!|/ $
New Listing(2) Blue by ADT Door & Window Sensors SSH1R0-29 Lot
New (Other) · ADT
(2)
$32.95
$6.20 shipping
+6R^ &NU* ] wZ.?D!|/ 9 $W
BRAND NEW Honeywell 5800PIR-RES Wireless Passive Infrared Motion Sensor
Brand New · Honeywell
(68)
$24.99
or Best Offer
Trending at $33.46
$3.75 shipping
+KQ N^0 &* U V ]5M w.RL? !|/ $
NEW 6 PK SimpliSafe Home Security LATEST Gen3 Window/Door Entry Sensor ES3 White
Brand New · SimpliSafe
$59.78
$5.99 shipping
5 watching
+^4 &Z* ] wE.9 87 ?!|3/E $
iGuard Stove Smart Gas Stove Shut Off- White
Brand New
$575.00
Free shipping
+V^H B9 &* 0S ]I w.V ?!Q|/L $
1/2pcs Tuya Smart Home ZigBee/WiFi Vibration Sensor Realtime Monitor App Remote
Brand New · Unbranded
$10.99 to $20.99
Free shipping
LC+^ 4&O N*J ] 04w .6T?!|/ $
Mighty Mule Vehicle Detection Wireless Driveway Alarm FM231 OPEN BOX 400 Ft
New (Other) · Mighty Mule
(105)
$55.00
or Best Offer
$13.00 shipping
+^ &* ]5E QB 6w1 S.?!8 |/ T$
Ring Alarm Wireless Z Wave Plus Network Range Extender Outlet 1st Gen
Brand New · Ring
(1)
$13.99
or Best Offer
Free shipping
D9+ ^ A&1 C*P ] w. W?7!|/ $
Smart Hygrometer Thermometer Bluetooth Humidity Temperature Gauge/Remote Monitor
Brand New · Unbranded
$5.99
or Best Offer
Free shipping
V+^2 &* ] w.XJ?! |QT / $HS p o n s o r e d
Simplisafe Home Security System - BRAND NEW
Brand New · SimpliSafe
$50.00
or Best Offer
$6.45 shipping
+^ HX &*5 ] J w.?!X|/8 $SS p o n s o r e d

Wi-Fi Home Security Sensors and Motion Detectors

Shop by Category

4,288 Results

Ring Alarm 5-Piece Security Kit - White (4K11S7-0EN0)

DSC Neo PG8984P Wireless Dual Detector NEW

Guardline 500 Foot Long Range Outdoor Driveway Wireless Alarm [1 Sensor]

Smart Oil Gauge Duo - WiFi Heating Oil Tank Smart

New ListingRing Alarm 5 Piece Kit Wireless Home Security System

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

Honeywell Wireless Motion Detector 5800PIR-RES - 10 units

New Qolsys IQ Panel 2 + QS9201-1208-840 PowerG 319.5 Mhz GE Interlogix Verizon

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

Guardline GL 2000 Wireless Driveway Alarm with Outdoor Motion Sensor

New Listing( x4) Ring Alarm Contact Sensor (2nd Gen) Wireless Sensor Brand New

Power Failure Alarm with Email, Text Message, and Audio Alerts(2nd Generation)

( x4) Ring Alarm Contact Sensor (2nd Gen) Wireless Sensor Brand New

New ListingQolsys IQ Wireless S-Line Encrypted Glass Break Sensor (QS1431-840)

2gig E sensors

Lot of 10 XFINITY Security Visonic XHS2-TY MCT-350 SMA ZigBee Door Window Sensor

Brand New Honeywell Home -5800Pir- Res Wireless-Motion Detectors - (5) Unit Lot.

eufy Security Water and Freeze Sensor with Remote Alerts Waterproof App Control

MOEN 920-005 Smart Leak Detectors (3-Pack)

Human Sensor L13 For Home Assistant By SCREEK (HLK-LD2412S, ESP32-C3, ESPHome)

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

eufy Security Entry Sensor Send Alert Triggers Siren for Doors Windows Detects

3X NEW Simplisafe MOTION SENSOR White CA001 Brand New

Human Sensor 2A For Home Assistant By SCREEK (HLK-LD2450, ESP32-C3, ESPHome)

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

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

Honeywell Sixpira LMD500 Two Way Wireless PIR Motion Sensor White NIB Fast Ship

New ListingGovee Smart Thermo-Hygrometer H5074 Model 2-Pack Open Box

MOEN 920-005 Smart Leak Detectors (3-Pack)

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

SimpliSafe Motion Sensor MS3 (New)

Yi Kami Smart Security Starter Kit Wireless Window Door Entry Motion Sensor

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

Waterproof Solar Alarm Light Strobe Warning Light Wireless Motion Sensor Outdoor

Human Sensor 1U For Home Assistant By SCREEK(Small Size, LD2410C, ESP32-S2)

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

Brand New Honeywell 5800PIR-RES Wireless PIR, Pet Immune Motion Sensor

GE Interlogix 60-807-95R Wireless Motion Sensor, Simon XT XTi Concord

ZOSI 4K Outdoor Spotlight PoE Security Camera System 16CH NVR with IP Camera 8MP

HIKVISION DS-PWA48-E-WB (AX PRO) Wireless Alarm Panel / Supports 48 Zones

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

Geeni Smart Door and Window Sensors White 2-Pack SEALED NEW

NEW Vivint Smart Sensor VS-DW1200-345 Smart Door and Window Sensor

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

Ring Alarm 5 Piece Kit Wireless Home Security System

SIXFOB KEY FOB

eufy T8990121-4 Security 5-Piece Home Security Kit

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

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

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

4PK SimpliSafe Home Security Window/Door Entry Sensor ES3 White New

New Listing(2) Blue by ADT Door & Window Sensors SSH1R0-29 Lot

BRAND NEW Honeywell 5800PIR-RES Wireless Passive Infrared Motion Sensor

NEW 6 PK SimpliSafe Home Security LATEST Gen3 Window/Door Entry Sensor ES3 White

iGuard Stove Smart Gas Stove Shut Off- White

1/2pcs Tuya Smart Home ZigBee/WiFi Vibration Sensor Realtime Monitor App Remote

Mighty Mule Vehicle Detection Wireless Driveway Alarm FM231 OPEN BOX 400 Ft

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

Smart Hygrometer Thermometer Bluetooth Humidity Temperature Gauge/Remote Monitor

Simplisafe Home Security System - BRAND NEW

Best Selling

ecobee SmartSensor Room Temperature Sensors - White, Pack of 2 (EB-RSHM2PK-01)

Honeywell 5800PIRRES Wireless LED Motion Sensor

Ring 4SP1SZ-0EN0 Motion Detector Alarm - White

Honeywell SiXCT (Each) Two-Way Wireless Door / Window Sensor

Guardline GL 2000 Wireless Driveway Alarm with Outdoor Motion Sensor

SimpliSafe ES3 Entry Sensor

DSC PG9922 Wireless Powerg Glass Break Detector

Simplisafe MOTION SENSOR White (CA001)

Top Rated

ecobee SmartSensor Room Temperature Sensors - White, Pack of 2 (EB-RSHM2PK-01)

Ring Alarm 5-Piece Security Kit - White (4K11S7-0EN0)

Honeywell 5800PIRRES Wireless LED Motion Sensor

SimpliSafe ES3 Entry Sensor

Ring 4SP1SZ-0EN0 Motion Detector Alarm - White

Ring 4SD1S7-0EN0 Alarm Contact Sensor - White

XFINITY XHS2-UE Door Window Sensor - White