【Rolling door opening】 The garage door opener is designed with minimal lateral clearance and reliable housing. This remote-controlled garage door opener is a universal steel roller door opener for garages connected to living spaces. Maximum door opening area: 242 square feet / 22.5㎡Maximum lifting force: 800 N; Maximum control distance: 164 ft/50 m. [Easy to use] The rolling door opener is designed with minimal lateral clearance and a reliable housing, making it easy to install. Simply press and hold the handheld transmitter or wall switch for 2 seconds, and the door will open or close automatically. Coding type: rolling code; Number of code combinations: over 4.29 billion random codes. 【Durable material】 This rolling door opener can be powered by a 24V motor for a 2-door area of 14.8 feet, and the rolling door will rotate immediately. It is designed with minimal lateral clearance and a reliable housing, making it easy to install.【Automatic intelligent detection system】 When the automatic roller door opener encounters an obstacle or is restricted during the closing process, it opens automatically. Similarly, when the roller door opener encounters an obstacle during the opening process, it closes automatically. Soft start, soft stop to prevent injury to pets and people under the door.【Easy control with remote control】 This automatic garage door opener is equipped with two remote controls. You can easily open the door from inside your car without getting out. The maximum remote control range is 160 feet.