Suitable for 2PCS Garage Gate Remote Control for Alutech AT-4, AR-1-500, AN-Motors AT-4, ASG1000, AT4, 433MHz Rolling Code 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 models: Alutech AT-4, AN-Motors AT-4, Alutech ASG1000, Alutech AR-1-500, Alutech AT-4 600 Programming transmitters to receiver The remote control has the same function as your original remote. It must be programmed with the existing receiver according to the original manufacturer’s instructions. Color: Black + Silver Material: ABS Package contents: 2 x Remote Control Note: Only the items listed above are included; other accessories or products are not included. Lighting and display variations may cause slight color differences between the image and the actual product. Measurement tolerance: ±1–3cm. Please refer to the title and carefully before purchasing.