... 1. 11 years experience 2. Humanized clutch, 3. electronic limit switch, 4. automatical backtrack, 5. water-proof housing Product Information ... paint. Excellent rust-proof, waterproof ablity. C. High sensitive limit switch, barrier boom can be instant turn on and off, accurate ... methodRead card, remote control ,manual buttonRemote control distance10-60mWeight of barrier50KGBarrier340*280*1020mm (L*W*H)