HLK-LD2461 is a 24GHz millimeter-wave radar product for human perception, which consists of two millimeter-wave radar chips with one transmitter and two receivers, a high-performance microstrip antenna, a high-performance MCU and peripheral auxiliary circuits. The working frequency band is 24.00GHz-24.25GHz, which is ISM band and the working bandwidth is 250MHz. This product can be used in home, office, hotel and other scenes to realize accurate sensing of multiple moving, micro-moving or stationary human bodies. Smart home appliance application - The radar is installed inside the home appliance and can monitor the personnel condition within the detection range of the radar in real time. According to the radar detection results (manned/unmanned), the equipment can adjust the working mode of the equipment in real time or quasi-real time(working, low power consumption, standby, shutdown, etc.) to realize the intelligent . Typical application scenarios include: Home security, Hotel management and monitoring, Community health staff monitoring, Office monitoring. Energy saving control application - Based on the functions of moving target detection and biometric detection, this product can be applied to energy saving control, the main scenarios are as follows: Energy saving of household appliances, Office electrical energy saving control, Street lamp energy-saving control. Due to different product batches, the appearance may be different, which does not affect use. Colour:As Shown Material:PC+Metal Package Contents: 1 * HLK-LD2461 kit 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.