Features: 1. The product is compact and easy to carry 2. The module can penetrate non-metallic shells without the need for openings 3. It is used to determine the existence of the human body by detecting the accumulation of small amplitude movements such as human respiration 4. Compared to traditional mobile detection radar, it has higher accuracy and is less likely to miss alarms 5. The farthest sensing distance can reach 8 meters Parameters: type: A-1 x Sensor Module+1 x cable Frequency: 23.5G-24.5GHz Modulation : FMCW Detection distance: 4m sit still, 8m exercise Scope: Hanging height of , coverage radius of static human body detection Greater than2m Power supply: 3.3-5V Current: 80mA Output serial port level: 3.3V Detection cycle: adaptive Antenna half power angle: +/-22 x (horizontal/vertical) Data format: serial port ASCII output Material: PC+Metal colour: Blue Package Contents: 1 x Sensor Module 1 x cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.