Feature: - This wireless remote control is 330MHz/433MHz frequency commonly use for Autogate, Garage door opener or Alarm system - Users just need to open the back case and adjust 8 DIP switch according to existing old remote control to use. - Please make sure that your remote with 5326 chip and 330MHz or 433MHz before buying,otherwise,it won't be compatible with our products. Specification: - Frequency: 330MHz - Chip code: Fixed Dial Code SMC5326 - Voltage: DC 12V - Current: 12mA - Transmit distance: Open Space 100m - Battery Type: 23A/12V (FREE In Package) - Dimension: 55*33*16mm(Approx.) How to Copy Your Remote Control: - Open the Original Remote Controller casing - Refer to the 8 DIGITS adjustable switches - Open the New Remote Controller casing - Adjust the 8 DIGITS switches to be exactly the same with the Original Remote Controller - Now your key is successfully duplicated! Packing list: 1* remote control batterry included