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 : tolviviov Motion Sensor - Compatible with tolviviov Home Alarm System-HUB Needed : Electronics
Amazon.com: ZWave temperature, humidity, dew point sensor: Aeotec aërQ, wireless, battery powered, SmartThings sensor, Z-Wave Plus, Z-Wave hub required : Appliances
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
Amazon.com: tolviviov Alpha Contact Sensor 6 Pack - Compatible with tolviviov Alpha Home Alarm System-HUB Needed : Electronics
Amazon.com: WiFi Door Sensor Smart Window Sensors White No Hub Required Wireless Design Instant Alerts Requires 2.4 GHz Wi-Fi Compatible with Alexa Google Assistant Home Security : Tools & Home Improvement
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
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: Onvis Smart Homekit Motion Sensor Indoor Humidity Gauge Hygrometer Thermometer Home Automation Trigger Bluetooth No Hub Required : Patio, Lawn & Garden
Amazon.com : tolviviov Alpha Contact Sensor - Compatible with tolviviov Alpha Home Alarm System-HUB Needed : Electronics
Aqara Motion Sensor Plus Aqara Door and Window Sensor, REQUIRES AQARA HUB, Zigbee Connection, For Remote Monitoring, Alarm System and Smart Home Automation - - Amazon.com
Aqara Motion Sensor P1 Plus Aqara Water Leak Sensor, REQUIRES AQARA HUB, Zigbee Connection, Alarm System, Remote Monitor and Control, Smart Home Automation - - Amazon.com
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 &
Chamberlain myQ-G0302 myQ-GO302 Smart Garage Hub Add-On Door Sensor (Works with MYQ-G0301 Only) - - Amazon.com
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: 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
Amazon.com: YoLink Outdoor Contact Sensor, LoRa 1/4 Mile World's Longest Range Smart Door Sensor, Universal Contact Sensor, Alexa, IFTTT, IP63 Waterproof for Indoor/Outdoor, App Notifications - Hub Required : Tools & Home
Amazon.com: 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) : Everything Else
Zwave Water Sensor: Aeotec Water Sensor 7 Pro, with Flood, Temperature, Humidity Sensor, SmartThings Sensor Compatible, Z-Wave Plus, S2, SmartStart, ZWave hub Required - - Amazon.com
Philips Hue Dusk-to-Dawn Outdoor Motion Sensor for Smart Home, Wireless & Easy to Install (Hue Hub Required, for use with Philips Hue Smart Lights) - - Amazon.com
Amazon.com: Philips Hue Indoor Motion Sensor for Smart Lights (Requires Hue Hub, Installation-Free, Smart Home, Exclusively for Philips Hue Smart Bulbs)
