Display mode	Lcd display</br>Sensor diameter	22mm</br>Sensor angle	X??Y??60??</br>Alarm distance	0m-2.0m</br>Power cost	Max 1.5W</br></br>Product Description</br></br>1. 8sensors 2.Numeral and LCD display 3??LCD display shows three direction's distance at the same time . 4??Alarm by three-step Bibi sound 5??Numeral display from 2.0m to 0m parameter?? voltage 9DCV-15DCV Rated voltage 12DCV Power cost Max 1.5W Respond distance 0.4m-2.0m Alarm distance 0m-2.0m Display mode Lcd display Sensor diameter 22mm Install mode drill Sensor angle X??Y??60?? work temperature -30??---+80?? Alarm type Buzzer (Bi Bi....) alarm volume 65dB Alarm frequency 1.6-2.0m??0.5 HZ??slowness??????1.1-1.5m ??1 HZ??slowness???? 0.6-1.0m:3 HZ??commonly???? 0-0.4m ??BI----- ??</br><br/>http://www.amazon.com/gp/product/B00CJ6T8R4