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