Product Description Compatible with Alutech AT-4 AR-1-500 and AN-Motors ASG1000 433.92MHz rolling code 4-channel garage door remote control Encoding: Rolling code Battery: 12V 27A Wireless transmission distance: 30-100 meters (open area) Applicable scope: Garage doors, alarms, automatic doors, roller shutters, etc. Compatible models: Alutech AT-4, AN-Motors AT-4, Alutech AnMotors ASG1000, Alutech AnMotors AR-1-500, Alutech AT-4 600 Installation method: Wireless Frequency: 433.92MHz Door remote control: Door remote control Programming method: Receiver programming Applicable scope: Garage doors, roller shutters, gate switches Color: Black + Silver Material: ABS Size: 55 x 38 x 10 mm Package Contents: 1 x Remote Control This package only includes the above contents; other products are not included. Note: Light and different monitors may cause the color of the item in the picture to be slightly different from the actual product. Measurement error is +/- 1-3 cm.