Latest modern design and technology equals a simply smarter and unique remote. Button slide cover to protect buttons avoid accidental unplanned operation. This is a fixed frequency remote cloner (433.92mhz) for copying 99.99% common fixed and learning code.(note: rolling code remotes will not work) With this remote cloner you can clone all 433MHz fixed code key fobs. USES: remote control electric door, window, switch, security etc.