The Sonoff SNZB-06P24 is a human presence sensor designed to detect people in a room even when they are completely still. By using 24GHz mmWave radar technology, it can pick up micro-movements such as breathing, which prevents lights from turning off while you are reading or working. This device connects via Zigbee 3.0, offering a communication range of up to 100 meters in open areas, and is compatible with various gateways including the iHost, NSPanel Pro, and several Amazon Echo models. Its compact white casing, made from PC and ABS, measures 44.2 x 44.2 x 59 mm and weighs only 34.5 g. The sensor covers a 120° detection angle with a radial reach of approximately 4 meters. To ensure accuracy, it features self-learning calibration for interference filtering and allows you to customize detection zones. An integrated ambient light sensor adds another layer of utility for smart home automation. Power is supplied through a USB Type-C interface at 5V 0.5A. For installation, you can place it on a desktop, use the included magnetic base, apply 3M adhesive, or secure it with screws, ideally at a height of 1 to 2 meters. This makes it a versatile choice for anyone wanting a responsive environment that recognizes their presence without requiring constant movement.