Description: Multifunctional: This keyless entry alarm kit allows you to start or stop the car engine, open trunk, lock car doors, etc. Safe method: This engine start stop controller also can lock the engine, so others can't start the car when the door is locked. Useful design: This keyless entry remote control set makes you can easily find your car by following the alarm sound. Automatic: This engine start stop set will automatically open the door lock when the key is near 1.5 to 3 meters of the door, and will lock the door when leave 3 to 5 meters of the door. Bluetooth-compatible: This keyless entry alarm set also support mobile phone APP to control the door and trunk lock, and engine start and stop. Specification: Material: ABS+metal. Voltage: 12V. Working temperature: 80-20℃. Alarm response time: 5s. Control method: Remote control, phone bluetooth-compatible APP. Remote control battery: Button battery(Included). Note: There might be a bit color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Host(with 1 Piece Start Harness, 1 Piece Function Harness, 1 Piece Rest Harness, 1 Piece Start Button, 2 Pieces Remote Controllers, 1 Piece Bluetooth-compatible Module).