. Features1 With this remote control you can use all 433 MHz fixed code key chains 2 Some remote controls that use this frequency are listed below 3 4-channel RF Wireless Remote Control Duplicator for Cars, Garage Doors, Gate Doors, alarm systems etc 4 This is a fixed frequency remote control cloner (433 mhz) for copying common fixed and learning code remotes . Description:Easy to use, the 4 channel remote control allows you to control your gadgets, car, home and garage Scope of application: It can copy all kinds of wireless fixed code remote controllers and learning code remote controllers Such as electric telescopic door remote control, barrier remote control, alarm remote control, etc Specifications:Model: HFY408GType: remote controlRated voltage: 12 (V)Rated current: 10 (mA)Installation method: autonomousWireless transmitting distance: 150 (m) Color:black silverPackage Included:1 xDoor RemoteNotes:1 Due to the difference between different monitors, the picture may not reflect the actual color of the item We guarantee the style is the same as shown in the pictures 2 Please allow slight dimension difference due to different manual measurement