Amazon Alexa 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
+5^7 1L E&* ]J w.? !9P|/ $S p o n s o r e d
YoLink Water Leak Sensor 3-Pack LoRa Up to 1/4 Mile Open-Air Range Smart Wate...
Brand New
(5)
$43.99
Free shipping
481 sold
J+^K &* ] IwN .?PX !|/U8 $S p o n s o r e d
YOLINK Smart Door Sensor Starter Kit: 4 Door Sensors & Hub NEW
Brand New
$70.00
$7.36 shipping
NF+^ & 4* T ] Tw2 U.Q?!| / $S p o n s o r e d
2gig E sensors
Brand New · 2gig
$25.00
or Best Offer
$4.57 shipping
U+^8 &*V ] 8 R9 w.?!|/7 $BS 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
Z+U KG^ &* ]9 Hw.? 9!8 |F/B $
SimpliSafe Water Sensor Alarm Flood Detection for Gen3 Security System NIB
Brand New · SimpliSafe
(6)
$19.99
Free shipping
Only 1 left!
D+N^ &* ] 6wJ.? !|/5 K$ M
Set of 2 Ring Alarm Motion Wireless Detector 2nd Gen White 4SP1SZ-0EN0
New (Other) · Ring
(34)
$28.00
Free shipping
74 sold
7+^U & ZI* G5 ] F9w 6.T?! |/ $
Wyze Sense Starter Kit Motion Sensor WHSK1 Home Security System New Opened Box
New (Other) · Wyze
$29.99
or Best Offer
Free shipping
Only 1 left!
+^ DG &VN* ]1 wM. ?!D|/ A$
RING ALARM OUTDOOR CONTACT SENSOR GRAY
New (Other) · Ring
$27.00
Free shipping
84 sold
GM +^VC L&*B B ]Y Yw.?V!|/ $
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
G5 R+^S & * ]3Z MA w.?!|/A $
( x4) Ring Alarm Contact Sensor (2nd Gen) Wireless Sensor Brand New
Brand New · Ring
$65.00
Free shipping
40 sold
+^ &* ] Ow.C ?T!|/O $WM
Indoor Plug-In Motion Activated Light Control
Brand New · Westek
(33)
$19.45
Trending at $20.34
Free shipping
N+^W W &*R 7]P w0.7? 7!O |/ $
Moen Smart Leak Detector 1-Pack Works At First Leak O/B No batteries #3596
New (Other) · Moen
(10)
$24.99
Free shipping
NC +C^ &* ] I wY.?R! |ZX /SB $
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
VK+^ J V&* D2] w.? !|/ 8M $S p o n s o r e d
Smart Water Leak Sensor Detector APP Alarm WiFi Home Water Leak Detector
Brand New
$11.44
or Best Offer
Free shipping
10 watching
+^V &0* ]E w3. ?6S! |/ K$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
+R^U CP &* B D] w.MO?!| 4/ $S p o n s o r e d
Honeywell Sixpira LMD500 Two Way Wireless PIR Motion Sensor White NIB Fast Ship
Brand New · Honeywell
(1)
$29.95
Trending at $49.95
$7.95 shipping
5 watching
QG+^ &* ]S Vw.?! 0|M/ $U
3X NEW Simplisafe MOTION SENSOR White CA001 Brand New
Brand New · SimpliSafe
(4)
$47.50
or Best Offer
Free shipping
+YG^ &U*J ]6 1 3w.?!|/L QG $
New ListingBRAND 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
+^1 &X * ] Cw.?!1| R/ $6 4H
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
+HX 1^ &* ] w.?!3 AY |/ $0O
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
1+^ H&* ] w.T?!|H 6V / $E7
NEW Vivint Smart Sensor VS-DW1200-345 Smart Door and Window Sensor
Brand New · Vivint
$29.99
Free shipping
278 sold
P+^I &* ] w4F M.Z?!|/ $
Geeni Smart Door and Window Sensors White 2-Pack SEALED NEW
Brand New · Geeni
(4)
$19.99
$6.55 shipping
K+^ &* N 6K ] w6.I?! 5|/D $
(Qty. 10) NEW VIVINT Smarthome Wireless Motion Detector Sensor VS-PIR200-345
Brand New · Vivint
$275.00
$15.00 shipping
A+^ &* D A]U 5w2. ?!ZA|/ $
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
+^B P&* 4] 4w.?! M|/S FL $
New ListingFibaro FGFS-101 Flood Water Leak Sensor Z Wave Plus New Sealed
Brand New
(5)
$44.99
Free shipping
+^ &*96 MI] W Bw. ?!0U |/6 $
Set Of (2) Moen Smart Water Leak Detector, Model: 920-004 New In Box
Brand New · Moen
(10)
$55.00
Free shipping
+^9 &6* ] 7 Mw.?!|/ $YM B
Ring Alarm 5 Piece Kit Wireless Home Security System
New (Other) · Ring
(136)
$58.00
Free shipping
5 watching
+^ 6&1* NN ] wN.?A! 1|/ $H
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
+^ &9*O G0 ] wKX .?!F|N/ $S p o n s o r e d
Tuya WiFi Window / Door Sensor Remote Control Smart Home Security Alarm Sensor
Brand New · Unbranded
$10.89 to $28.99
Free shipping
+^FI &U* R] w MK .?!D|/H $S p o n s o r e d
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
0+K^ &* XI VL] w8L .?V!|P/ $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
$10.65
or Best Offer
Free shipping
645 sold
X+J^ C&1* S ] Zw. ?!|7X / Q$S p o n s o r e d
6 Pk Ecolink WST-212 Honeywell & 2GIG Wireless Door/Window Sensor w/Local Bypass
Brand New · EcoLink
(10)
$32.73
Free shipping
162 sold
EE+ ^SZ 4 T& * C]H wL.?!|8/ $
(2 Pack)Ring Alarm Motion Wireless Detector [2nd Gen] White -NEW-
Brand New · Ring
(34)
$39.95
Free shipping
+SM^ &B* ] w.T? A!3|/ J H $
Ring Alarm Motion Detector (2nd gen) Z-Wave - 5AT2S9 (/RT6-22963-5AT2S9-UA)
Pre-Owned · Ring
(1)
$15.99
or Best Offer
Free shipping
114 sold
+^J F &* EG ]P Mw.? !|/S 8$
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
+Y^ N &* W]V w.?!| UN/ CB $
Mighty Mule Vehicle Detection Wireless Driveway Alarm FM231 400 Ft
Pre-Owned · Mighty Mule
(105)
$42.46
Was: $49.95was - US $49.95
$8.30 shipping
+^QC & *G ] w.J H?!|1 /NR A$
eufy T8990121-4 Security 5-Piece Home Security Kit
Brand New · Eufy
$89.49
Free shipping
14 watching
+^ &*WC ] Yw.?!|/ 5$ F0
Smart Water Leak Sensor Detector APP Alarm WiFi Home Water Leak Detector Lot
Brand New · Unbranded
$11.39 to $72.50
Free shipping
RY+ YR^ &* ]8F w.? !RO |/8 $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
+^M 1 G4 5&*E ] w. ?G!T |/0 $S p o n s o r e d
New ListingNEW Ring Alarm Motion Detector (2nd Gen) (1-Pack) - White
Brand New · Ring
(34)
$19.99
Free shipping
+0I^ &* ] wN7 K4.? !BP |/ $
Wyze Motion Sensor v2 Model WSMS2
New (Other) · Wyze
(3)
$15.00
Trending at $17.50
Free shipping
2+^ E&* ] w .I9? !V|/Z YP $
Ring Alarm Wireless Z Wave Plus Network Range Extender Outlet 1st Gen
Brand New · Ring
(1)
$13.99
or Best Offer
Free shipping
E+^ B& 6I * Y]9 w .?W!|/ C$
Aqara Presence Sensor FP2 Kit Apple HomeKit mmWave Home Monitor Open Box
New (Other)
$64.99
$4.71 shipping
L+^6 Y&*I W] 0w. E?!2| 0/Y $
SimpliSafe Home Security System - Glassbreak Sensor GB3 White New
Brand New · SimpliSafe
(1)
$33.95
Free shipping
+BV^ &* ] OH w.?L!|0/ $BP
New Listing2x Ring Contact Sensors Gen 2 - 6 Pack
New (Other) · Ring
$160.00
$7.67 shipping
+^O &* ]H wT.X? !|/ $U1
Smart Wi-Fi Home Window Door Security Alarm Sensor System Alexa Google Tuya App
Brand New · SmartSecurity
(2)
$11.65
or Best Offer
Free shipping
G+^ &E* E ]W w.S?Q !|/ 4$U
Indoor Plug-In Motion Activated Light Control
Brand New · Westek
(33)
$19.64
Trending at $20.34
Free shipping
+N^V &*E ] 1w.? !|/6 $2
Kidde 60WLDR-W Battery Operated Smart Water Leak Detector & Freeze Alarm w/Wi-Fi
New (Other) · Kidde
(4)
$16.75
Free shipping
+^ &9Y B7 MV* ] w.?!S|U/ $
Aeotec Z-Wave Plus v2 Recessed Door Sensor 7, Gen7 (ZW187)
Brand New · Aeotec
$36.99
Free shipping
79 sold
+^ &B* P] w .?!|/F2 U$M
New Listinghoneywell 5800 mini
Brand New · Honeywell
(35)
$23.99
or Best Offer
Free shipping
A3+^ X&*U V ] w.?!|/ S $L9
Philips Hue Secure contact sensor NAM White 1P -FREE SHIPPING
New (Other) · Philips
$31.98
Free shipping
16 watching
+^ 2F&* ] 4wS. NK ?7T!|/ $
NEW Honeywell 5800PIR-RES Wireless Passive Infrared Motion Sensor SEALED
Brand New · Honeywell
(68)
$29.99
Trending at $33.46
$5.35 shipping
ZY 3S +^ &V* ] w1.? !|/8U $
Lot of 6 Ring Alarm Contact Sensor 2nd Gen Wireless Sensor for Door & Window NEW
Brand New · Ring
$89.95
or Best Offer
Free shipping
GE +N0^ &OF * ] w.13 ?!|CC/ $
Long Range Solar Wireless Driveway Alarm Outdoor Weather Resistant Motion Sen...
Brand New
(2)
$86.99
Free shipping
Only 1 left!
K+^Y KT& P*5 N ] w.Y? !12 |/ $
New ListingADT Self Setup Door / Window Sensor SSH1R White (SSH1R0-29) brand new OEM w2c
Brand New · ADT
$25.00
Free shipping
+^ &GM QU* ] Kw9 .?E!|A/ U$
Blue by ADT Door & Window Sensors SSH1R0-29 White
New (Other) · ADT
(2)
$12.99
or Best Offer
$5.00 shipping
Only 1 left!
BA+^ BV HL &T* C] w .?W2!| / $
New ListingBrand New Sealed Eufy Wire Free 5-Piece Home Security Kit - One Stop Solution
Brand New · Eufy
$89.99
or Best Offer
Free shipping
AD+^ & * A]O 9w.Z?! K|/H $
DSC WS4904P Wireless Motion Sensor - ADT- White
Brand New · DSC
(28)
$37.00
Trending at $45.00
$3.00 shipping
+T^9 F&* ] J w.?!|XW Z/ K$S p o n s o r e d
New DSC WS4904P Wireless Pet Immune PIR Motion Sensor, w/ Battery, WS4904
Brand New · DSC
(28)
$55.00
Free shipping
+E^ V &* ] w.?!|/ $GZ S p o n s o r e d

Amazon Alexa Home Security Sensors and Motion Detectors

Shop by Category

2,866 Results

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

YoLink Water Leak Sensor 3-Pack LoRa Up to 1/4 Mile Open-Air Range Smart Wate...

YOLINK Smart Door Sensor Starter Kit: 4 Door Sensors & Hub NEW

2gig E sensors

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

SimpliSafe Water Sensor Alarm Flood Detection for Gen3 Security System NIB

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

Wyze Sense Starter Kit Motion Sensor WHSK1 Home Security System New Opened Box

RING ALARM OUTDOOR CONTACT SENSOR GRAY

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

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

Indoor Plug-In Motion Activated Light Control

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

MOES WiFi Smart Temperature & Humidity Sensor Hygrometer Thermometer APP Remote

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

SimpliSafe Motion Sensor MS3 (New)

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

3X NEW Simplisafe MOTION SENSOR White CA001 Brand New

New ListingBRAND NEW Honeywell 5800PIR-RES Wireless Passive Infrared Motion Sensor

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

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

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

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

(Qty. 10) NEW VIVINT Smarthome Wireless Motion Detector Sensor VS-PIR200-345

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

New ListingFibaro FGFS-101 Flood Water Leak Sensor Z Wave Plus New Sealed

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

Ring Alarm 5 Piece Kit Wireless Home Security System

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

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

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

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

6 Pk Ecolink WST-212 Honeywell & 2GIG Wireless Door/Window Sensor w/Local Bypass

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

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

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

Mighty Mule Vehicle Detection Wireless Driveway Alarm FM231 400 Ft

eufy T8990121-4 Security 5-Piece Home Security Kit

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

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

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

Wyze Motion Sensor v2 Model WSMS2

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

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

SimpliSafe Home Security System - Glassbreak Sensor GB3 White New

New Listing2x Ring Contact Sensors Gen 2 - 6 Pack

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

Indoor Plug-In Motion Activated Light Control

Kidde 60WLDR-W Battery Operated Smart Water Leak Detector & Freeze Alarm w/Wi-Fi

Aeotec Z-Wave Plus v2 Recessed Door Sensor 7, Gen7 (ZW187)

New Listinghoneywell 5800 mini

Philips Hue Secure contact sensor NAM White 1P -FREE SHIPPING

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

Lot of 6 Ring Alarm Contact Sensor 2nd Gen Wireless Sensor for Door & Window NEW

Long Range Solar Wireless Driveway Alarm Outdoor Weather Resistant Motion Sen...

New ListingADT Self Setup Door / Window Sensor SSH1R White (SSH1R0-29) brand new OEM w2c

Blue by ADT Door & Window Sensors SSH1R0-29 White

New ListingBrand New Sealed Eufy Wire Free 5-Piece Home Security Kit - One Stop Solution

DSC WS4904P Wireless Motion Sensor - ADT- White

New DSC WS4904P Wireless Pet Immune PIR Motion Sensor, w/ Battery, WS4904

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

Simplisafe MOTION SENSOR White (CA001)

Aeotec ZW187 Recessed Door Sensor 7

SimpliSafe ENS306 Entry Sensor - White, Pack of 6

DSC WS4904P Wireless Motion Sensor - White

SimpliSafe 2nd Gen Motion Sensor Home Security System Model CA001 - NEW

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

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)