ITEM NAME:1Pc HB100 Microwave Motion Sensor 10.525GHz Doppler Radar Detector for ArduiJ Ew Features: 100% brand new and high quality Material: Electrical components Type: Microwave Sensor. Chip: HB100. Frequency: 10.525GHz. Voltage: DC 5V ±0.25V. Current: 40mA. Application: Automatic door startup, Car, House intrusion alarm, Collision warning. Traffic monitoring. Note: Please pay attention to the Voltage/Current/Power of your own devices. To ensure product safety,check whether this item is compliant with your own devices before you buy it! Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!! Package includes: 1Pc xHD100 Module.Chip: HB100. Type: Microwave Sensor. Application: Automatic door startup, Car, House intrusion alarm, Collision warning. To ensure product safety,check whether this item is compliant with your own devices before you buy it!