Avatto HE20 smart WiFi human presence sensorAvatto HE20 smart WiFi human presence sensor The Avatto HE20 is a human presence sensor that uses 24 GHz mmWave radar technology to accurately detect movement and presence in a room. The device analyzes body micro movements, so it responds even to subtle gestures or changes in position regardless of light intensity. As a result, it provides reliable operation both day and night. High detection accuracy The Avatto HE20 sensor distinguishes between