Features New digital worm gear motor barrier PAB-E2 Economic is the right choice for your parking. It is durable, accurate, flexible and safe, and of course, you can afford it thanks to its economic design. It assembles with Aluminum Alloy octagonal boom with the Heavy-duty and simple-design cabinet The cabinet adopts 1.5mm precise machining cold-rolled plate and powder coated surface which is non-scale and unfading. Conformed to the IP54 dust proof and waterproof. Simple design also decorates your premises. Anti-collision mechanism protects arm (optional) Anti-collision mechanism protects the boom arm not to be damaged once boom arm was collided by a vehicle. AC or DC motor optional 90W/AC220V motor or 80W/DC24 motor is optional. DC version supports back-up battery. ISO9001:2008 Intelligent Barrier Max. length of 6m, with the open / close time from 1.5 to 6 seconds. PAB-E2 Economic Safety---Anti-hit by pressure resistance bounce While moving down, boom arm will immediately go back to vertical position once it is obstructed by an imposed force, which protects The vehicle or person not to be hit by boom arm. The sensitivity is adjustable. Note: a air wave switch is required Safety— Anti-hit by Loop Detector (Optional) While barrier boom moving down, If a coming vehicle was detected to be existing on the ground induction coil, the barrier boom will go back to vertical position immediately until loop input was dismissed and then the barrier boom will go down immediately. Safety---Anti-hit by Infra Red Photo Cell (optional) While barrier boom moving down, If infrared transportation between transmitter and receiver is blocked by human or vehicle, the barrier arm will go back to vertical position immediately. The arm will automatically close once the infrared transportation recovers. 180℃ Crank arm Double fence arm Safety— Anti-hit by “Opening Priority” While boom arm moving down a vehicle comes, if a open command is given by the push button or remoter transmitter, the arm will Immediately stop closing, and start opening immediately if an command is given .This will protect the vehicle not to be hit by boom arm.