The Carmoon professional security alert vehicle alarm systems include two remote controls that allow for keyless entry into your car by locking or unlocking the doors. With CE certification, this anti-theft one-way device is compatible with all central door locking systems and features learning code mode technology. In addition, it can be used to raise power windows on vehicles equipped with them. The two remotes have a working distance of 60m to 80m and a voltage of 12v DC, current of 15ma, and indicator current of 15a.