The Avatto ZMS16 is a passive infrared motion sensor designed to integrate into your smart home via the Zigbee 3.0 protocol. Operating on a 2.4 GHz frequency, it detects movement within a 60° angle and a range of up to 8 meters, making it an effective tool for automated lighting control or intruder detection. To achieve these results, it is best installed at a height of 2.2 meters using the included magnetic base, which rotates to help you fine-tune the detection angle. This compact white device is housed in a durable polycarbonate shell measuring 50 mm in diameter and 55 mm in height. It runs on a single CR123A 3V battery that typically lasts up to a year, and the system will notify you when the power is running low. Because it works with the Tuya ecosystem and Smart Life app, you can receive real-time notifications or link the sensor to Amazon Alexa and Google Assistant for voice-controlled automation. Please keep in mind that a Zigbee gateway is required for the sensor to communicate with your network.