Code: Rolling Code Battery: 12V 27A Radio Transmission Distance: 30-100m (Open Area) Applicable Scope: Garage Doors, Alarms, Automatic Doors, Rolling Doors, etc. Compatible Models: Alutech AT-4 AN-Motors AT-4 Alutech AnMotors ASG1000 Alutech AnMotors AR-1-500 Alutech AT-4 600 Installation: Wireless Frequency: 433.92MHz Door Remote Control: Door Remote Control Programming Type: With Receiver Programming Applicable Scope: Garage Door Shutter Door Door Switch Color: Black + Silver Material: ABS Size: 55 x 38 x 10mm Package Contents: 1 x Remote Control Only the above package 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 object. The measurement allowable error is +/- 1-3cm.