Single Arm Swing Electric Door Opener Suitable For Door Weight 400 (kg), Easy to Install

Built for safety and convenience: the opener stops when opening and provides a rebound action on closing to enhance protection. A programmable automatic door-closing function is available. During power outages the unit can be manually unlocked and disconnected for easy hand operation. Motor run time is adjustable to minimize wear and protect the mechanism. Compatible with optional safety accessories such as warning lights, wireless panels and infrared sensors.