1.The Best Single Beam Sensor ABO-20L 2.Passed CE,FCC,ROHS, ... wor Main Features:1. The Cheapest Single Beam Sensor ABO-20L, infrared beam sensor, photoelectric beam sensor2. Anti-glare up to ... sensitivity surplus degree up to 90% 8. High-power infrared receiver tube, low-power process technology 9. Anti-lightning ... .init( { 'aImgSrc': aBigImageSrc } ); } )(); The Best Single Beam Sensor (ABO-20L)