Features 1、One Button Start and Stop: With keyless entry system kit, you can remotely start and stop the engine, which is more convenient for you to use. 2、Compatibility: This keyless entry system is suitable for most 12V cars, easy to install, strong compatibility, greatly facilitating the use of different car owners. 3、Release Trunk: You can also remotely open the trunk, and the flashing light prompts when opening the door, which is safe and high reliability. 4、Anti Theft: Supports silent anti theft, automatic anti theft, and the anti theft function is turned on after the door is locked. The vehicle cannot be started by pressing the key. 5、Multi Functional: Support remote car finding function), remote control start hand brake detection and oil pump detection function. Specifications: Item Type: Car Keyless Entry System Material: ABS Cr2032 Button Cell Capacity: 200mAh x 2 (Built in) Applicable Model: 12V Universal Vehicle Description: Host central locking: only the negative signals of unlocking and locking are output, the horn output can be positive or negative, and the trunk is negative output Package List 1 x ECU Control Box 1 x One Button Start Button 2 x Remote Control 3 x Auxiliary Line 2 x Cable Tie 1 x Instructions