... water-proof housing Product Information Advantage compared with common barrier: NameTenet barrierCommon barrierElectric machineAdopt advanced version from globalAdopt common ... proof, waterproof ablity. C. High sensitive limit switch, barrier boom can be instant turn on and off, accurate location ... open speed, 1.5s, 2-4s and 6s. The barrier is provided with remote controllor, manual button, and digital ...