Compatible Alutech At-4 Ar-1-500 An-motors Asg1000 Remote Control 433.92 Mhz Rolling Code 4 ChannelCode:Rolling code Battery:12V 27A Radio transmission distance: 30-100m (Open area) Scope of application: garage door, alarm, automatic door, rolling door, etc. Compatible Model: 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: programming with receiver Scope of application: garage door shutter doorway gate switch colour:Blackandsilver Material:ABS size:55 x 38 x 10mm Package Contents: 1 x remote control Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.