specification:Item Type: Car Keyless Entry System_x000D_Material: ABS_x000D_Cr2032 Button Battery Capacity: 200mAh x 2 (Built in)_x000D_Automatic Sensing Range: Approx. 1-10m / 3.3-32.8ft_x000D_Applicable Model: 12V Universal Vehicle_x000D_Description:_x000D_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 Features: 1One 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. 2Automatically Unlock and Lock: You can remotely open and close the lock. When driving, the lock will be locked, and when the ignition is off, the lock will be automatically opened. 3Release Trunk: You can also remotely open the trunk, and the flashing light prompts when opening the door, which is safe and reliable. 4Anti 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. 5Multi Functional: Support remote car finding function), remote control start hand brake detection and oil pump detection function. PackageList: 1 x ECU Control Box 1 x One Button Start Button 2 x Intelligent Induction Remote Control 3 x Auxiliary Line 2 x Cable Tie 2 x Sticker 1 x Instructions