Meross Smart Door & Window Sensor, Meross Hub Required, Mini Door Detector Compatible with Apple HomeKit, Alexa, SmartThings, 2.4GHz WiFi Sensor Burglar Alert for Home Automation, 328ft for Kid Safety - MS200

• [Safe & Efficient Use] Keep your home safe and secure with our advanced smart wifi door sensor, compatible with Apple HomeKit, Alexa and SmartThings. Conveniently check your bedroom door or window, garage door, kids room, fridge, office room, cat door, cabinet, skylight and anywhere you want to be notified. ✽【NOTES】Requires Meross hub to work, this is sensor only, hub is sold in the ''Kit Version'' link. [Real-time Alert Notification] Get alerts immediately on your Meross app, you can stay informed about critical alerts concerning your smart door sensor, no matter where you are - giving you peace of mind and taking action quickly if needed. [Home Devices Automation] Take your home automation to the next level with meross Door Sensor, easily set triggers to control other HomeKit and Meross devices with a simple automation setup, your home light turning red when your garage door sensor is activated, making your life easier and more convenient. [Hands-Free Voice Control] Enjoy the convenience of hands-free access. Simply ask Siri to check the status of your door sensor - no need to go downstairs or pick up your phone again. You'll always know whether your garage door or home door opening or closing. [Superb Versatility] One hub can control up to 16 Meross sensors. Low-power consumption battery (2 years battery life, replaceable). Free history record-2 years and export historical data at any time for security checking. [Compact Design] The brand-new mini and elegant design won't occupy any extra space. No Tools Needed, simply use the included strong mounting tape to install. Super mini main sensor size (2.24 x 1.22 x 0.59 in.) Sub-sensor size (1.10 x 0.61 x 0.43 in.).