Zigbee Door Sensor 4 Pack, Mini Smart Door Sensor, Home Automation, Kid Safety, Compatible with SmartThings, Alexa, Home Assistant, Aeotec, Hubitat, Homey with Build-in Zigbee Hub, Hub Required

GRSICO Zigbee Contact Sensor can work directly with Alexa, Home Assistant, Aeotec, Homey, and Hubitat through a built-in Zigbee hub. You can monitor every door and window in your home and create routines triggered when a door or window is opened — such as turning on a light, sending an alert to your smartphone, or having Alexa make a voice alarm or even tell a joke.

• Zigbee Standard Compatible Door Sensor: Keep your home safe and smart with the zigbee door sensors, compatible with SmartThings, Alexa and Home Assistant. Conveniently check your door or window, kids room and anywhere you want to be notified
• Compact Design: No Tools Needed and the mini design sensor won't occupy any extra space. Just make sure the zigbee contact sensor in paring mode, Alexa will automatically discover it
• Real-time Alert Notification: Get alerts immediately on your Alexa app, you can stay informed about critical alerts concerning your zigbee door sensor, no matter where you are - giving you peace of mind and taking action quickly if needed
• More Fun With Alexa Routines: Easily create routine triggers with Alexa to control other zigbee devices and GRSICO contact sensors that the light will turn on when your door is open, making your life easier and more convenient
• Hands-Free Voice Control: Enjoy the convenience of hands-free access using Alexa - no need to go downstairs or pick up your phone again. You'll always know whether your home door is opening or closing