We are offering automatic barrier gate with led display and auto-closing. Manual release machine core with compression spring, effectively avoids the accidents caused by spring breakingdie-casting aluminum alloy motor, precision and good at thermal radiating motor cooling fan, solving the problem of heat-protection double safety limit switches (photo-electricity limit switch/motor memory sensor)reversing on obstacle auto-closing supports the infrared photocell for anti-bumping function (optional) supports the external and internal vehicle loop detector (optional) traffic light interface wire control (switch signal)/remote control (418mhz) rs485 communication module (optional) led display integrated led traffic light technical data:running time: 1, 3 and 6 seconds boom type: straight maximum boom length: 3, 4.5 and 6m boom dimensions (w x h): 45 x 80mm boom weight: 3, 4.5 and 6kg voltage: 220v 10%, 110v 10% frequency: 50/60hz motor voltage: 220v power: 120w working temperature: -20 to 75c