Features: Small size remote contro for easy carrying.Suitable for 12Volt car and motorcycle. Simple installation, bring safety to your car. Anti-robbery intelligent automatic induction without card swiping. If the car does not receive the signal from the remote control within 16 seconds after starting the car, the engine turn off. The car can turn on normally if it receives the signal from the remote control within 16 seconds of starting. Even if it no longer receives the signal from the remote control, it not turn off. LED indication function: when receiving a remote control signal, the LED flashes once, indicating that the signal is normal, and no signal not flash. Specifications: Unit working voltage: 12V±3V Unit quiescent current: ≤12mA Unit control current: ≤30A Remote control operating current: ≤38mA Remote control standby current: ≤1uA Remote control battery specification: CR2032, 3V, 240mAh(with battery) Remote control frequency: 433.92MHz Material: plastic colour: Black+white Package Contents: 2 x Host Unit 4 x Remote Controller 2 x English instructions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.