1、This system is an electronic system with the unique characteristic of recognizing the owner of the vehicle and protecting from instruction by not allowing the engine to be turned on. 2、This system can control the circuit of the vehicle and make sure your vehicle can not be started with a simple wire bridge. 3、Made of high quality plastic material, durable and relaible, you can use it for a long time. 4、Safe car anti theft system, it can better protect your car, it is really a good helper for you . 5、Supports remote control and intelleigent sensor, you can observe your car condition conveniently. Installation method Install the host in the hidden location, away from the movement of parts LED indicators are installed where they are not easily visible The emergency contact switch must be installed in a concealed position Battery Information Battery Type: Coin/Button Cell Coin/Button Cell Sub-Type: CR2032 Battery Material: Lithium 12V battery Package Included: 1 x Main Control Unit 2 x Remote Control 1 x LED connection wire 2 x Wiring 1 x Manual 1 x Main Control Unit 2 x Remote Control 1 x LED connection wire 2 x Wiring 1 x Manual