Installation: wireless<br> Frequency : 433.92MHz<br> Code:Rolling code<br> Battery:12V 27A<br> Radio transmission distance: 30-100m (Open area)<br> Scope of application: garage door, alarm, automatic door, rolling door, etc.<br> Compatible Model: for Alutech AT-4 AN-Motors AT-4 Alutech AnMotors ASG1000 Alutech AnMotors AR-1-500 Alutech AT-4 ASG 600<br> Programming transmitters to receiver<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 get it.<br> color:Black + silver<br> Material:ABS<br> Package Contents:<br> 2 x Remote Control<br> Only the above package content, other products are not included.<br> Note: Light shooting 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.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store