This is a car alarm system with PKE-Passive keyless entry, remote engine start, push button start stop button. The alarm is easy to install and use and can improve your car safety greatly once properly installed. Features: Passive keyless entry system. Push button start/stop system. Service mode, mute mode. PKE function enable or disable. Detect car situation by itself, rolling code protection. Remote start/stop engine function. Illegal start alarm. Central lock automatication. Emergency disarm. One-button start/stop system. Intelligent handbrake detection. Intelligent oil pump start-up detection. Telecontrol tail box. Door unlock prompt. Anti-theft function. Specifications: Relative humidity: 10%-95% Main unit system: Operation voltage: DC12V±3V Static current: ≤15mA (except indicator, sensor) PKE emission current: 40mA Shock sensor current: ≤1mA Coding: leaning code Frequency: (high)433.92MHZ, (low)125KHZ Starting system: Operation voltage: DC12V±3V ACC current: 30A ON current: 30A Start current: 30A Remote control: Operation voltage: DC3V Operation current: ≤8mA Static current: 8uA Coding: leaning code Battery: CR2032 3V 240mAh(included) Frequency: (high)433.92MHZ, (low)125KHZ Package size: 230 * 180 * 68mm / 9.1 * 7.1 * 2.7in Package weight: 610g / 1.34lb Package List: 1 * Main Unit 2 * Remote Controls 1 * Push Start Button 2 * LED Indicator Cable 1 * Vibration Sensor 2 * Low-frequency Antennas 1 * Start Cable 1 * Function Cable 1 * Use Manual