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
Amazon.com : eco4life Smart Home Security Starter Kit Home Automation System, Hub|Motion Sensor | Temperature Sensor | Multi-Purpose Sensor, 24/7 Monitoring System no Contract Free for Home Office APP alerts : Electronics
Amazon.com: THIRDREALITY Zigbee Motion Sensor 2 Pack, Zigbee Hub Required, Pet Friendly, Works with SmartThings, Aeotec, Hubitat or Echo Devices with Build-in Zigbee hub : Electronics
Amazon.com: THIRDREALITY Zigbee Contact Sensor 3 Pack, Door and Window Sensor for Home Security and Smart Home Automation, Works with Build-in Zigbee Hub,hub Required : Electronics
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
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: WiFi Door Sensor Detect Open/Close Status, No Hub Required, 2.4GHz, Work with Alexa, Google Assistant, NAS-DS05 : Tools & Home Improvement
Amazon.com: Onvis Smart Homekit Motion Sensor Indoor Humidity Gauge Hygrometer Thermometer Home Automation Trigger Bluetooth No Hub Required : Patio, Lawn & Garden
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
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 &
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 : Everything Else
Aqara Door and Window Sensor plus Temperature and Humidity Sensor, REQUIRES AQARA HUB, Zigbee Connection, for Remote Monitoring and Smart Home Automation, Compatible with Apple HomeKit, Alexa - - Amazon.com
Aeotec SmartThings Door/Window Sensor, Multipurpose Sensor, Works with Smart Home Hub: Amazon.com: Tools & Home Improvement
Aqara Motion Sensor, REQUIRES AQARA HUB, Zigbee Connection, for Alarm System and Smart Home Automation, Broad Detection Range, Compatible with Apple HomeKit, Alexa, Works With IFTTT - - Amazon.com
Amazon.com : tolviviov Alpha Contact Sensor - Compatible with tolviviov Alpha Home Alarm System-HUB Needed : Electronics
YoLink Smart Home Starter Kit: Water Sensor 4-Pack & Hub Kit - Sensor Compatible with Alexa and IFTTT, 1/4 Mile Range, Instant Remote App, Text(Limited) and Email Alert - - Amazon.com
Aqara Smart Hub M1S Plus 3 Aqara Door and Window Sensor, Zigbee Connection, Alarm System, Remote Monitor and Control, Smart Home Automation - - Amazon .com
Amazon.com: tolviviov Alpha Contact Sensor 6 Pack - Compatible with tolviviov Alpha Home Alarm System-HUB Needed : Electronics
Aeotec TriSensor, Z-Wave Plus S2 Enabled Zwave Motion Sensor, Temperature, Light Sensor, Work with Zwave Hub Smartthings 3-in 1 Security System, Battery Powered - - Amazon.com
Amazon.com: WiFi Door Sensor, NEO Smart Door/Window Sensor, Detect Open/Close, Support USB Charged and Battery Powered, Support WiFi 2.4GHz, No Hub Required, Work with Alexa and Google Home Assistant : Tools &
Amazon.com: WiFi Door Sensor, TESSAN Smart Window Contact Sensor Compatible with Amazon Alexa, Google Assistant, No Hub Required, Sends Alerts, Wireless Remote Alarm, Programmable with Smart Life Devices : Electronics
Aqara Smart Hub M1S Plus 3 Aqara Water Leak Sensors, Wireless Water Leak Detector For Alarm System and Smart Home Automation - - Amazon.com