Sengled Smart Window & Door Sensor, Hub Required, Compatible with Alexa, Google Assistant and SmartThings, Echo 4th, Echo Show 10, Echo Plus, 2 Count (Pack of 1)
WiFi Door Sensor, TESSAN Smart Window Contact Sensor Compatible with Amazon Alexa, Google Assistant, No Hub
Amazon.com: Smart Door Sensor 2 Pack, TESSAN WiFi Window Contact Sensor Work with Amazon Alexa, Google Assistant, No Hub Required, Trigger Phone Notification, Phone Alarm, Programmable with Smart Life Devices : Tools
Amazon.com: TREATLIFE Smart Door Sensor, Zigbee Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Home Automation, Compatible with Alexa and Google Assistant (Hub Required and Sold Separately) : Tools &
Monoprice Wireless Smart Door/Window Sensor - White | Works with Amazon Alexa and Google Assistant, No Hub Required - From STITCH Collection - Walmart.com
Amazon.com : Wyze Home Security Core Kit: Hub, Keypad, Motion Sensor, Entry Sensors (x2); Compatible w/ Wyze Cam, Leak & Climate Sensors; 3 Mo. of 24/7 Professional Monitoring Service Incl., Subscription Required : Electronics
Amazon.com: EVERSECU Tuya Smart WiFi Door Sensor Open / Close Detector App Notification Battery Operated, Compatible with Amazon Alexa, Google Assistant, No Need Hub (2pcs) : Automotive
Amazon.com: Zwave Door Sensor Window Sensor, Z-Wave Plus Enabled Aeotec 3-1 Door Window Sensor 7 Pro, Zwave Hub Required, Gen 7, White (Door/Window Sensor 7 Pro) : Tools & Home Improvement
Aqara Motion Sensor Plus Aqara Vibration Sensor, REQUIRES AQARA HUB, Zigbee Connection, For Remote Monitoring, Alarm System and Smart Home Automation - - Amazon.com
Amazon.com: SwitchBot Smart Motion Door Sensor - Wireless Home Security System, PIR Motion Detector Alert, Add SwitchBot Hub Mini to Make it Compatible with Alexa : Electronics
YoLink Water Level Monitoring Sensor, Well Water Level, Water Tank Fish Tank Water Monitor with Built-in Siren Up to 105dB, Compatible with Alexa and IFTTT - YoLink Hub Included: Amazon.com: Tools &
Amazon.com: Kasa Smart WiFi Motion Sensor Switch, Single Pole, Needs Neutral Wire, 2.4GHz Wi-Fi Light Switch, Compatible with Alexa & Google Home, UL Certified, No Hub Required(KS200M),White,1-Pack : Automotive
myQ Chamberlain Smart Garage Control - Wireless Garage Hub and Sensor with Wifi & Bluetooth - Smartphone Controlled, myQ-G0401-ES, White - - Amazon.com
Aqara Vibration Sensor, REQUIRES AQARA HUB, Zigbee Connection, Wireless Mini Glass Break Detector for Alarm System and Smart Home Automation, Compatible with Apple HomeKit, Works With IFTTT - - Amazon.com
Amazon.com: Geeni Wi-Fi Door Sensor, Smart Door and Window Sensors, White, 2-Pack No Hub Required – Wireless Design, Instant Alerts, Requires 2.4 GHz : Tools & Home Improvement
Amazon.com: Aeotec Door Window Sensor 7, Z-Wave Plus Enabled Zwave Hub Required, Gen7, White (Door/Window Sensor 7) : Tools & Home Improvement
Amazon.com : Arlo Home Security System - Wired Keypad Sensor Hub, (2) 8-in-1 Sensors, 24/7 Professional Monitoring- No Contract Required, DIY Installation, Alarm System for Home Security, Home Automation – SS1201 : Electronics
Amazon.com: MOCREO ST4 Temperature Sensor with Waterproof External Probe, for Freezer with App Alert, Smart Thermometer, MOCREO Hub Required, Remote Temperature Monitor Gauge, for Refrigerator, Fish Tank : Home & Kitchen
Amazon.com : YoLink SpeakerHub & Outdoor Motion Sensor Smart Home and Security Kit, Driveway Alert – Audio Hub Plays Tones/Sounds, Spoken Messages, LoRa-Powered ¼ Mile Range, WiFi Required : Electronics
Amazon.com: Aeotec SmartThings Motion Sensor, Zigbee, Magnetic Mounting, Works with Smart Home Hub and Compatible Zigbee Hubs : Tools & Home Improvement
Amazon.com: Smart ZIGBEE Motion Sensor Zigbee Hub Required,Works with SmartThings, Aeotec, Hubitat with Build-in Zigbee hub : Electronics
Amazon.com : YoLink SpeakerHub & Two Motion Sensor Smart Home and Security Kit – Audio Hub Plays Tones/Sounds, Spoken Messages, LoRa-Powered ¼ Mile Range, WiFi Required : Electronics
Sengled Smart Window & Door Sensor, Hub Required, Compatible with Alexa, Google Assistant and SmartThings, Echo 4th, Echo Show 10, Echo Plus, 2 Count (Pack of 1)
Amazon.com: D-Link Wi-Fi Water Leak Sensor and Alarm Starter Kit, Whole Home System with App Notification, AC Powered, No Hub Required (DCH-S1621KT) : Everything Else