Home Sensors & Motion Detectors
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38,899 Results
Ring Alarm Outdoor Window Sensor
C $53.42or Best OfferHuman Sensor 1MS For Home Assistant By Screek (Super-Mini,LD2410C,ESP32C3)
C $32.90Was: C $35.00C $6.85 shipping227 soldBrand New Honeywell 5853 Wireless Glass Break Sensor,
C $98.61C $17.48 shipping227 soldHuman Sensor 2A For Home Assistant By SCREEK (wifi,24G mmWave,LD2450,esp32c3)
C $38.61Was: C $41.08or Best OfferC $6.85 shipping1,624 soldHuman Sensor 1W-X For Home Asssistant By Screek (LD2410C, esphome, wifi, ble)
C $28.98Was: C $31.50or Best OfferC $6.85 shipping218 soldSmart Thermometer Hygrometer Wi-Fi Temperature Humidity Sensor Alexa Google Home
C $27.38C $15.38 shipping294 sold12V Motion Sensor Infrared PIR Movement Detector Indoor Sensor Light Switch
C $11.80C $0.09 shipping6 watchingHuman Sensor F2 For Home Assistant By SCREEK (wifi,24G mmWave,LD1125F,esp32c3)
C $39.90Was: C $42.45or Best OfferC $6.85 shipping181 soldHuman Sensor 1U For Home Assistant By SCREEK(Small Size, LD2410C, ESP32-S2)
C $33.46Was: C $35.60or Best OfferC $6.85 shipping1,090 soldSimpliSafe SD3 Smoke Detector Alarm SSSD3 White
C $27.38or Best OfferSolar Motion Sensor Alarm Animal Repellers,13 Sound Effects Outdoor Waterproof
C $18.89Was: C $20.53or Best OfferC $2.73 shippingBarrier Fence Alarm Perimeter Wall Waterproof Dual Beam Sensor Infrared2 0m~150m
C $54.78 to C $95.87C $1.36 shippingWired Door Window Sensor Magnetic Reed Switch NC Wired Contact for Alarm Systems
C $9.57 to C $14.37C $15.00 shipping77 soldAlula Smoke Smoke - Sensor. RE614
C $36.30or Best Offer3 watchingAutomatic DC 12V 24V 6A Infrared PIR Motion Sensor Switch For LED Strip light
C $1.81 to C $6.34C $2.71 shipping68 soldNEW SimpliSafe Entry ES3 Door Sensor White Magnetic Home Security (Latest)
C $19.11C $15.14 shipping299 soldZigBee TUYA Water Leak Detector Water Immersion Sensor Smart Life Leakage Sensor
C $10.10 to C $39.02Free shippingMoen Smart Leak Detector 1-Pack Works With Alexa Alerts At First Leak 3596OB/NB
C $20.55Trending at C $23.89eBay determines this price through a machine-learned model of the product's sale prices within the last 90 days.Tuya Zigbee/WiFi Smart Door Sensor Window Door Open Closed Detectors Smart Home
C $7.67 to C $8.90Free shippingNEW Simplisafe Accessories: entry sensor, Siren, Motion, Glass break, & More
C $17.74 to C $70.53C $15.14 shipping62 sold180° LED Infrared PIR Motion Sensor Detector Outdoor Wall Light Switch 85-265V
C $10.10Was: C $11.22C $14.88 shippingUS Portable Underground Water Pipe Leakage Monitor Water Pipe Leak Detector Hot
C $15.32or Best OfferFree shipping2/4pcs Intelligent Water Leak Sensor Detector Flood Leakage Level Overflow Alarm
C $19.27 to C $32.75Was: C $35.60C $15.55 shipping7 watchingConnect WIFI PIR Motion Sensor Smart Home Security Alarm Sensor App Alexa Google
C $19.96or Best OfferC $32.67 shipping78 sold5 Pack Automatic PIR Occupancy Motion Sensor Light Switch Auto On/Off Infrared
C $20.53 to C $76.69C $21.85 shipping242 soldThe 8th Street Hidden Camera Detector New Best Hidden Camera Detector New
C $2.74 to C $34.23Free shippingSolar Motion Sensor Alarm Outdoor - 129db Sound Security Siren Light Waterproof
C $34.01Was: C $36.97or Best OfferC $2.73 shipping100V- 240V PIR Infrared Body Motion Sensor Detector Control Switch Light Lamp
C $8.13Free shipping177 sold2024 Solar Motion Sensor Alarm Emits Loud Dog Barking &Gunshot Sounds Waterproof
C $17.93or Best OfferFree shippingDoor Stopper Alarm Security, Portable Door Wedge Stop, Door Jammer Security Devi
C $21.90C $15.22 shippingOnly 1 left!Wink Z-Wave Motion Sensor compatible w/ SmartThings - WNK-MOT1
C $23.27Was: C $47.93C $15.26 shipping2,373 soldPIR Motion Sensor Switch IR Infrared Body Induction Detector DC 8-30V/AC85V-265V
C $10.12 to C $10.99Was: C $11.56C $4.10 shippingNO/NC Magnetic Contact Reed Switch Door Window Sensor Entry Security Alarm
C $2.73 to C $8.20C $6.84 shipping48 sold1X LED PIR Infrared Motion Sensor Switch with Time Function Best Delay NEWS
C $2.79Was: C $2.94or Best OfferC $1.36 shipping61 soldAutomatic Light Control Sensor DC12V 24V 36V 48V Dusk To Dawn Photocell Switc_zt
C $6.31or Best OfferC $0.15 shippingAJAX HomeSiren - Sirène intérieure sans fil
C $69.70C $19.28 shippingPhilips Hue Smart Dimmer Switch with Remote - 458141
Works with Amazon Alexa, Google Home, AppleKitC $34.23C $15.59 shipping4,097 soldDSC Wireless Glassbreak Glass Break Detector 433 MHz WL S922L-433 04/2021
C $52.04or Best OfferSmart Oil Gauge - WiFi Heating Oil Gauge for 275 330 550 Gallon Fuel Oil Tank
C $48.75Was: C $54.78or Best OfferFree shippingTuya Zigbee/WiFi Temperature Humidity Sensor Thermometer Hygrometer Home
C $15.44 to C $15.66Was: C $18.86C $2.73 shippingeufy Security Entry Sensor Send Alert Triggers Siren for Doors Windows Detects
C $27.38Was: C $41.08C $15.38 shipping619 soldAqara FP2 Corner Wall Bracket/Mount
C $13.6846 soldTuya Zigbee OR WiFi Smart Door Sensor Garage Door Window Open/Closed Detectors S
C $7.67 to C $8.90Free shippingDC 12V-24V 8M Automatic Infrared PIR Motion Sensor Detector Switch For LED Light
C $12.04Was: C $15.05or Best OfferC $14.93 shippingTuya WiFi Zigbee Temperature Humidity Sensor Thermometer Hygrometer Smart Home
C $2.73 to C $51.90Free shippingNEW DSC Wireless Glass break Detector 433 MHz White WLS922L
C $61.633 watchingTuya Zigbee Water Leak Sensor Smart Flood Leakage Level Alarm Home Security
C $17.14Was: C $21.42Free shippingNew ListingLED motion sensor light bar rechargeable
C $19.16Free shippingZ-Wave Smart Door / Window Sensor Compatible with Samsung SmartThings Hub Retail
C $23.27Was: C $41.08C $15.26 shipping319 sold6 LED Solar Alarm Light Strobe Lamp Sensor Dog Barking Lamp Security*
C $12.01or Best OfferFree shippingSmart Security System WiFi Alarm APP Push and Calling Alarms DIY No Monthly
C $21.90 to C $27.38C $31.81 shipping3-Pack Water Leak Alarm Flood Level Overflow Detector Sensor Home Security Alert
C $19.16C $15.14 shipping137 sold