This is a set of car immoblizer system. Its smaller, the remote control is light and thin, and the new micro-electric technology brings you more safety and installation is very simple, directly unplug the oil circuit fuse in the engine compartment of the car, and plug our main unit directly into the replacement to complete the installation. Just fix it and cover the engine cover and you can use it. The remote control comes with Auto-sensing function, no need to operate, you can put the remote control in your wallet or pocket, will notice, you can refuse gracefully borrowing car from others, or preventing thieves from stealing car. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use 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 will 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 will 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 will not flash. Specifications: Unit working voltage: 12V3V Unit quiescent current: less than equal 12mA Unit control current: less than equal 30A Remote control operating current: less than equal 3~8mA Remote control standby current: less than equal 1uA Remote control battery specification: CR2032, 3V, 240mAh Remote control frequency: 433.92MHz color: Photo Color Material: plastic Package Contents: 1 * Host Unit 2 * Remote Controller 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.