Aqara Smart Light Switch (No Neutral, Single Rocker), Requires AQARA HUB, Zigbee Light Switch, Remote Control and Set Timer for Home Automation, Compatible with Alexa, Apple HomeKit, Google Assistant - - Amazon.com
ZHA - Aqara Wireless Mini Switch (model lumi.sensor_swit) - Blueprints Exchange - Home Assistant Community
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GitHub - marvinroger/node-lumi-aqara: Control your Xiaomi Smart Home devices with this Lumi Aqara library
iF Design - Lumi United Technology Co., Ltd.
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Aqara Door and Window Sensor, REQUIRES AQARA HUB, Zigbee Connection, Wireless Mini Contact Sensor for Alarm System and Smart Home Automation, Compatible with Apple HomeKit, Alexa, Works With IFTTT - - Amazon.com