Advanced Security: Utilizes 433MHz rolling code technology to enhance security, preventing unauthorized access and ensuring that your property remains protected Convenient Design: Compact and , this remote can easily attach to your keychain, allowing for easy access and control over your garage door or gate Construction: Built to withstand daily use with a robust casing that resists wear and tear, ensuring long-lasting performance Installation: wireless Frequency: 433.92MHz Code: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: for Alutech AT-4 AN-Motors AT-4 Alutech AnMotors ASG1000 Alutech AnMotors AR-1-500 Alutech AT-4 600 Programming transmitters to receiver The remote control is the same function as your old remote.it should programming with old receiver according to your old Manual when you . Due to different batches, there may be differences in product appearance and printed text, which not affect use. Color:Black Material:ABS Package Contents: 5 * Remote Control Only the above package content, other products are not included. Note: Light reflection 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.