Skip to main content
Hi
!
Hi!
Sign in
or
register
Daily Deals
Brand Outlet
Gift Cards
Help & Contact
Sell
Watchlist
Expand Watch List
My eBay
Expand My eBay
Summary
Recently Viewed
Bids/Offers
Watchlist
Purchase History
Buy Again
Selling
Saved Feed
Saved Searches
Saved Sellers
My Garage
Sizes
My Collection
Messages
PSA Vault
Expand Notifications
Please
sign-in
to view notifications.
Expand Cart
Loading...
eBay Home
Shop by category
Enter your search keyword
All Categories
Search
Advanced
Best selling products: Best
Google Assistant Home Security Sensors and Motion Detectors
Bestselling
Top Rated
1
Rank 1
2gig DW10 Thin Door Window Contact ETL Listed
(18)
$16.62 New
$16.62 New
$6.45 Used
$6.45 Used
2
Rank 2
Honeywell 5800PIRRES Wireless LED Motion Sensor
(68)
$24.99 New
$24.99 New
$15.00 Used
$15.00 Used
3
Rank 3
Guardline GL 2000 Wireless Driveway Alarm with Outdoor Motion Sensor
(82)
$59.95 New
$59.95 New
$52.50 Used
$52.50 Used
4
Rank 4
Honeywell 5853 Wireless Glass Break Detector
(30)
$59.95 New
$59.95 New
$25.00 Used
$25.00 Used
5
Rank 5
Ring 4SP1SZ-0EN0 Motion Detector Alarm - White
(34)
$19.95 New
$19.95 New
$10.00 Used
$10.00 Used
6
Rank 6
SimpliSafe ES3 Entry Sensor
(49)
$9.99 New
$9.99 New
---- Used
No used products available
7
Rank 7
Lutron LRF2-VCR2B-P-WH Radio Saver Vacancy Sensor - White
$49.99 New
$49.99 New
$37.99 Used
$37.99 Used
8
Rank 8
Simplisafe MOTION SENSOR White CA001 ( Model)
(9)
$23.90 New
$23.90 New
$14.95 Used
$14.95 Used
9
Rank 9
Ring Contact Sensor 2-Pack - White (4XD3S7-0EN0)
(109)
$24.99 New
$24.99 New
---- Used
No used products available
10
Rank 10
Cooper Lighting Greengate OAC-DT-1000-R MicroSet Dual-Tech Ceiling Sensor
$35.00 New
$35.00 New
---- Used
No used products available
11
Rank 11
2 Leviton Osc-20m0w Ceiling Mount Occupancy Sensor
(2)
$48.74 New
$48.74 New
---- Used
No used products available
12
Rank 12
Ring Alarm Glass Break Sensor (2-Pack)
(1)
$55.00 New
$55.00 New
---- Used
No used products available
13
Rank 13
Simplisafe 2nd Gen CA001 Wireless Home Security Motion.
(4)
$19.50 New
$19.50 New
$5.99 Used
$5.99 Used
14
Rank 14
Moen 920-00 Smart Water Detector with Programmable App and Alarm (3-Pack)
(7)
$118.00 New
$118.00 New
$69.99 Used
$69.99 Used
15
Rank 15
Ecoeler Single Pole / 3 Way Motion Sensor Light Switch Neutral Wire Required M
$16.18 New
$16.18 New
---- Used
No used products available
16
Rank 16
ecobee SmartSensor for Doors and Windows - Pack of 2 (EB-DWSHM2PK-01)
(8)
$64.99 New
$64.99 New
---- Used
No used products available
17
Rank 17
Eufy T89000D4 Wireless Entry Sensor - White
(1)
$29.99 New
$29.99 New
$19.99 Used
$19.99 Used
18
Rank 18
Garmin Steadycast Heading Sensor
(9)
$129.99 New
$129.99 New
$100.00 Used
$100.00 Used
19
Rank 19
Honeywell 5898 Wireless Dual Tec Motion Sensor
(4)
$90.00 New
$90.00 New
$49.95 Used
$49.95 Used
20
Rank 20
DSC WS4916 Wireless Photoelectric Smoke Detector With Heat Detection
(3)
$80.00 New
$80.00 New
---- Used
No used products available
21
Rank 21
eufy T8990121-4 Security 5-Piece Home Security Kit
$89.49 New
$89.49 New
---- Used
No used products available
22
Rank 22
Honeywell SiXCT (Each) Two-Way Wireless Door / Window Sensor
(4)
$12.99 New
$12.99 New
---- Used
No used products available
23
Rank 23
Qolsys IQ Motion QS1230-840 Encrypted S-Line Sensor
(13)
$39.99 New
$39.99 New
$9.99 Used
$9.99 Used
24
Rank 24
Wyze Home Security System Core Kit with Hub, Keypad, Motion, 2 Entry Sensors and 6 Months of 24/7 Professional Monitoring Included
(12)
$49.99 New
$49.99 New
$45.00 Used
$45.00 Used
25
Rank 25
2gig PIR1 Passive Infrared Motion Detector
(12)
$26.99 New
$26.99 New
$5.99 Used
$5.99 Used
26
Rank 26
Aeotec ZW187 Recessed Door Sensor 7
$32.99 New
$32.99 New
---- Used
No used products available
27
Rank 27
Westek Indoor Plug-in Corded Motion Activated Light Control Mlc12bc
(33)
$19.45 New
$19.45 New
---- Used
No used products available
28
Rank 28
DSC PG9922 Wireless Powerg Glass Break Detector
(1)
$42.78 New
$42.78 New
$21.24 Used
$21.24 Used
29
Rank 29
1x Interlogix Tx-e251 Extended Range Door/window Wireless Sensor Skbawa-dr13-jb
$15.00 New
$15.00 New
---- Used
No used products available
30
Rank 30
DSC WS4904P Wireless Motion Sensor - White
(28)
$29.85 New
$29.85 New
$22.00 Used
$22.00 Used
31
Rank 31
DSC PG9914 Motion Detector - White
(2)
$50.00 New
$50.00 New
$49.69 Used
$49.69 Used
32
Rank 32
HIKVISION AX PRO Wireles Alarm Panel DS-PWA48-Kit-WB Supports 48 Zones Sounder
$143.00 New
$143.00 New
---- Used
No used products available
33
Rank 33
Vivint SmartHome Home Security Vs-dw2100-345 Recessed Door/window Sensor
$19.99 New
$19.99 New
---- Used
No used products available
34
Rank 34
Ring Z Wave Alarm Flood and Freeze Sensor - White
(6)
$26.00 New
$26.00 New
---- Used
No used products available
35
Rank 35
Safety Technology Barking Dog Motion Alarm with Remote
(2)
$64.95 New
$64.95 New
---- Used
No used products available
36
Rank 36
Ring Alarm Glass Break Sensor
(3)
$39.99 New
$39.99 New
---- Used
No used products available
37
Rank 37
Honeywell Intellisense FG1625 Acoustic Glass Break Detector - White
(4)
$28.99 New
$28.99 New
$26.10 Used
$26.10 Used
38
Rank 38
Vivint Dw21r Recessed Door Contact Sensor - White
(7)
$24.95 New
$24.95 New
---- Used
No used products available
39
Rank 39
Interlogix TX1012011 Micro Crystal Door/Window Sensor - White
(8)
$19.50 New
$19.50 New
---- Used
No used products available
40
Rank 40
GE CYNC Wire- Smart Lighting Motion Sensor
(1)
$14.99 New
$14.99 New
$8.00 Used
$8.00 Used
41
Rank 41
Sensor Switch CM PDT 10 Occupancy Sensor - White
(2)
$44.99 New
$44.99 New
---- Used
No used products available
42
Rank 42
StreamLabs UFMT-1000 Smart Home Wi-Fi Water Monitor Leak Detector
(7)
$240.00 New
$240.00 New
$199.95 Used
$199.95 Used
43
Rank 43
Philips 570977 Hue Motion Sensor - White
(5)
$44.99 New
$44.99 New
$30.00 Used
$30.00 Used
44
Rank 44
| 1-Pack ADT Self Setup Door / Window Sensor - White (SSH1R0-29-S)
$22.99 New
$22.99 New
---- Used
No used products available
45
Rank 45
Ecolink WST-232 Door & Window Sensor With External Contact Input - White
(6)
$11.99 New
$11.99 New
---- Used
No used products available
46
Rank 46
Aeotec SmartThings Door/Window Sensor - Works with Smart Home Hub
$34.99 New
$34.99 New
---- Used
No used products available
47
Rank 47
SimpliSafe Smoke Detector Generation 1 SSSD1
(7)
$34.95 New
$34.95 New
$24.95 Used
$24.95 Used
48
Rank 48
Glentronics BWD-HWA Watchdog Water Alarm - White
(50)
$14.85 New
$14.85 New
---- Used
No used products available
49
Rank 49
Leviton 010-OSP20-0D0 20 Amp 60 Hz Power Pack for Occupancy Sensor - Black
(1)
$74.99 New
$74.99 New
$12.50 Used
$12.50 Used
50
Rank 50
Samsung Smartthings F-ADT-WTR-1 ADT Water Leak Detector
(5)
$21.99 New
$21.99 New
$18.99 Used
$18.99 Used
51
Rank 51
DSC BV-600 Bravo 6 Twin Dual Element Pet Immune PIR Motion Detector
(4)
$30.00 New
$30.00 New
---- Used
No used products available
52
Rank 52
Wink WNK-DW1 Smart Door/Window Sensor
(38)
$16.99 New
$16.99 New
---- Used
No used products available
53
Rank 53
Linear HONDWA01 Door or Window Sensor for 2GIG or Honeywell Wireless Alarm Systems
(17)
$11.24 New
$11.24 New
---- Used
No used products available
54
Rank 54
Interlogix TX-E201 Wireless Window Sensor
(9)
$27.50 New
$27.50 New
$9.99 Used
$9.99 Used
55
Rank 55
Wyze Motion Sensor V2 Model Wsms2 - and on Hand
(3)
$16.95 New
$16.95 New
$12.99 Used
$12.99 Used
56
Rank 56
WattStopper CI-200 Ceiling Occupancy Sensor - White
$27.99 New
$27.99 New
---- Used
No used products available
57
Rank 57
Honeywell Prosixpir ProSeries Six Wireless Motion Detector Two-way Technology
$46.99 New
$46.99 New
$40.00 Used
$40.00 Used
58
Rank 58
SimpliSafe SSSD3 Smoke Detector White
(1)
$36.98 New
$36.98 New
$30.00 Used
$30.00 Used
59
Rank 59
Honeywell Sixpira LMD500 Wireless PIR Motion Sensor - White
(1)
$29.95 New
$29.95 New
---- Used
No used products available
60
Rank 60
Honeywell IS3035 PIR Motion Detector - White, 35ft
(11)
$10.00 New
$10.00 New
$9.50 Used
$9.50 Used
61
Rank 61
Honeywell Sensor Shock Contac Door Window SIXSHOCK2A
(1)
$9.99 New
$9.99 New
---- Used
No used products available
62
Rank 62
Ring Alarm 5-Piece Security Kit - White (4K11S7-0EN0)
(136)
$80.74 New
$80.74 New
$48.95 Used
$48.95 Used
63
Rank 63
2gig DW10E Wireless Thin Door & Window Sensor
(2)
$18.99 New
$18.99 New
$5.00 Used
$5.00 Used
64
Rank 64
SimpliSafe Motion Sensor (Model U9K-MS3000)
$24.99 New
$24.99 New
---- Used
No used products available
65
Rank 65
SimpliSafe Home Security System Panic Sensor Model PB3 White -
(2)
$17.99 New
$17.99 New
$15.99 Used
$15.99 Used
66
Rank 66
Eve Motion Matter Smart Motion Sensor With Light Sensor IPX3 Water Resistant
$29.99 New
$29.99 New
$20.00 Used
$20.00 Used
67
Rank 67
EcoLink WST212 Wireless Window Sensor
(10)
$9.40 New
$9.40 New
---- Used
No used products available
68
Rank 68
SimpliSafe CA002 Smoke & CO Carbon Monoxide Detector Unopened
(1)
$59.00 New
$59.00 New
---- Used
No used products available
69
Rank 69
Aqara Temperature Humidity Sensor Realtime Historical Record
(1)
$24.50 New
$24.50 New
$14.99 Used
$14.99 Used
70
Rank 70
Wyze WHSK1 Sensor Sense Starter Kit - White
(20)
$32.99 New
$32.99 New
---- Used
No used products available
71
Rank 71
Mail Chime MAIL-1200 Wireless Mail Alert System - White
(183)
$47.95 New
$47.95 New
$14.99 Used
$14.99 Used
72
Rank 72
Aqara Presence Sensor FP2 (With Open Box) 2.4 GHz Wi-Fi Required PS-S02E
$69.99 New
$69.99 New
$55.00 Used
$55.00 Used
73
Rank 73
U.s. SELLER Aqara Door and Window Sensor 1 Set Mccgq11lm Compatible W/ ZigBee
$14.99 New
$14.99 New
---- Used
No used products available
74
Rank 74
XFINITY Security Visonic Xhs2-ue Door Window Sensor ZigBee
(5)
$10.00 New
$10.00 New
---- Used
No used products available
75
Rank 75
Ring Alarm Motion Detector - White - 4SP1S7-0EN0
(37)
$13.50 New
$13.50 New
$4.00 Used
$4.00 Used
76
Rank 76
Mighty Mule Wireless Driveway Alarm System
(105)
$69.79 New
$69.79 New
$59.00 Used
$59.00 Used
77
Rank 77
DSC WS4904P Wireless Motion Detector - White
(1)
$46.71 New
$46.71 New
$20.69 Used
$20.69 Used
78
Rank 78
Honeywell SIXGB Home Wireless Glassbreak Detector - White
$42.99 New
$42.99 New
$20.00 Used
$20.00 Used
79
Rank 79
Solar Wireless Driveway Alarm 1/2 Mile Long Range Motion 2 Sensor Detector
(2)
$86.99 New
$86.99 New
$27.50 Used
$27.50 Used
80
Rank 80
SiXCT Two-way Wireless Door Window Sensor Honeywell 5816wmwh Transmitter
$22.50 New
$22.50 New
$20.00 Used
$20.00 Used
81
Rank 81
Ecoeler 3 Way Motion Sensor Light Switch Neutral Wire Required 3way 1pack
(1)
$14.48 New
$14.48 New
---- Used
No used products available
82
Rank 82
Honeywell Ademco 958 Overhead Door Magnetic Contact
(7)
$17.99 New
$17.99 New
---- Used
No used products available
83
Rank 83
Feit Electric H2o WiFi Smart Water Leak Sensor
(2)
$17.95 New
$17.95 New
---- Used
No used products available
84
Rank 84
Hikvision AX PRO DS-PDMC-EG2-WE Wireless Magnet Detector
---- New
No new products available
---- Used
No used products available
85
Rank 85
12ct Hughes Sage Doorbell Sensor Home Automation Security System 206612
(14)
$14.95 New
$14.95 New
---- Used
No used products available
86
Rank 86
Ring Alarm Range Extender (1st Gen) ZWave Repeater
(1)
$13.99 New
$13.99 New
$5.97 Used
$5.97 Used
87
Rank 87
Chamberlain CWA2000 Outdoor Wireless Motion Sensor
(397)
$299.95 New
$299.95 New
$35.00 Used
$35.00 Used
88
Rank 88
DSC Wireless Photoelectric Smoke Detector - WS4936
(1)
$64.99 New
$64.99 New
$30.00 Used
$30.00 Used
89
Rank 89
PHILIPS DYNALITE DUS90CS 90° MULTIFUNCTION WALL OR CEILING SENSOR *U3
$28.99 New
$28.99 New
---- Used
No used products available
90
Rank 90
Alloy Smart Home Hydro Leak Sensor 2 Z Wave
$15.00 New
$15.00 New
---- Used
No used products available
91
Rank 91
Ecolink WST-302 Wireless Shock & Window Sensor Honeywell 2GIG 345 Compatible
$25.00 New
$25.00 New
---- Used
No used products available
92
Rank 92
Ecolink Z-Wave Reliability Garage Door Tilt Sensor ( XQC-TLTZ1 )
$17.86 New
$17.86 New
$14.99 Used
$14.99 Used
93
Rank 93
Kami N100 Smart Security Starter Kit
(2)
$17.99 New
$17.99 New
---- Used
No used products available
94
Rank 94
IKEA VINDSTYRKA Smart Air Quality Sensor
(2)
$39.95 New
$39.95 New
---- Used
No used products available
95
Rank 95
Swann Leak Alert Sensor - White - Detect Leaks Mobile Alert - WiFi - Wireless
(1)
$7.90 New
$7.90 New
---- Used
No used products available
96
Rank 96
Ring Genration 2 Motion Detector - 4SP2SZ-0EN0
(3)
$23.00 New
$23.00 New
$8.00 Used
$8.00 Used
97
Rank 97
KERUI Home WiFi tuya Control Alarm System 2pc Wireless Door/Window Sensors
$16.90 New
$16.90 New
---- Used
No used products available
98
Rank 98
Wireless Add on Motion Sensor 616PR for Barking Dog Alarms & HomeSafe Siren
(6)
$27.95 New
$27.95 New
---- Used
No used products available
99
Rank 99
Lutron Los-wdt-wh White Dual Technology Wall Mount Occupancy Sensor
$30.00 New
$30.00 New
---- Used
No used products available
100
Rank 100
Honeywell LGB5002 Sixgba Six Two-way Wireless Glassbreak Detector
$48.95 New
$48.95 New
---- Used
No used products available
