1. One Key Start and Stop Function: This car one key start system allows you to start and stop your car with just one push of a button, providing you with a convenient and hassle-free driving experience. 2. Remote Engine Start for Preheating and Cooling: This engine ignition system also comes with a remote engine start function, which allows you to preheat or cool down your car before you get in. This feature is especially useful during hot summers or cold winters. 3. Handbrake Detection: With its handbrake detection function, this keyless start system only allows you to start the engine when the handbrake is engaged, ensuring your safety while driving. 4. Foot Brake Detection: This push button start system also has foot brake detection, which requires you to step on the brake pedal before starting the engine, further enhancing your safety while driving. 5. Remote Timer Shutdown and Auto Door Lock: This keyless entry system comes with a remote timer shutdown feature, which automatically turns off the engine after 10 minutes of idling. It also has an auto door lock function, which locks the doors when you activate the remote start feature. Additionally, smart engine start system can be used in conjunction with a car alarm system for added security. Model Name: Car One Key Start System Item Weight: 320 g Special Features: One-Touch Start and Ignition Off Working voltage: DC 12V Working current: 5mA Main unit size: 87 x 85 x 30mm/3.4 x 3.3 x 1.2inch Applicable models: 12V car universal Colour:As Shown Material:Plastic Package Contents: 1 x Mainframe 1 x Keypad 2 x Wiring Harness(Due to different product batches, the appearance and printing of some wiring harnesses may be different, which will not affect the use) 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.