Elevator door 3 in 1 protector system/Otis, Mitsub

SUNNY infrared elevator door protection system (light curtain) can identify, indicate and control each single light beam of the curtain under high speed scanning. The product,is made up of three type protector system, elevator light curtain, photodiode switch, and safetyedge.It's a better way compared to the normal detecting system,more safety, more reliable. SUNNY light curtain system obtained the National Invention Award of the People's Republic of China and has the national patent, No. 01105213.9. SUNNY is sole manufacture and supplier in China. Also, we have the only UL and CCC certification and we are the best light curtain producer in China market.If you want to know more about our products, please visit our website in alibaba.comor contact the online sales manager.