Installation: wireless<br><br><br><br>Frequency : 433.92MHz<br><br><br><br>Code:Rolling code<br><br><br><br>Battery:12V 27A<br><br><br><br>Radio transmission distance: 30-100m (Open area)<br><br><br><br>Scope of application: garage door, alarm, automatic door, rolling door, etc.<br><br><br><br>Compatible Model: for Alutech AT-4 AN-Motors AT-4 Alutech AnMotors ASG1000 Alutech AnMotors AR-1-500 Alutech AT-4 600<br><br><br><br>Programming transmitters to receiver<br><br><br><br>The remote control is the same function as your old remote.it should programming with old receiver according to your old Manual when you .<br><br><br><br>color:Black + silver<br><br><br><br>Material:ABS<br><br><br><br>Package Contents:<br><br><br><br>2 x Remote Control<br><br><br><br>Only the above package content, other products are not included.<br><br><br><br>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.