.Type: Microwave Sensor</br>Chip: HB100</br>Frequency: 10.525GHz</br>Voltage: DC 5V??0.25V</br>Current: 40mA6.Size??length 37mm *width 45mm *height 8mm</br></br>Product Description</br></br>HB100 microwave modules use the Doppler radar (Doppler Radar) design principles of the microwave moving object detector??it mainly used in automatic door control switch?? security systems?? ATM ATMs automatic recording control system?? automatic train signals etc. HB100 is the standard 10.525GHz microwave Doppler radar. <br> .Type: Microwave Sensor <br> .Chip: HB100 <br> .Frequency: 10.525GHz <br> .Voltage: DC 5V??0.25V <br> .Current: 40mA6.Size??length 37mm *width 45mm *height 8mm <br></br><br/>http://www.amazon.com/gp/product/B00FFW4AZ4