Features:1With this remote control you can use all 433 MHz fixed code key chains2Some remote controls that use this frequency are listed below34-channel RF Wireless Remote Control Duplicator for Cars, Garage Doors, Gate Doors, alarm systems etc4This 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 garageScope 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 *Door 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 pictures2 Please allow slight dimension difference due to different manual measurement