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:Model: SQ886Relative humidity: 10%-95%Main unit system:Operation voltage: DC12V3VStatic current: 15mA (except indicator, sensor)PKE emission current: 40mAShock sensor current: 1mACoding: leaning codeFrequency: (high)433.92MHZ, (low)125KHZStarting system:Operation voltage: DC12V3VACC current: 30AON current: 30AStart current: 30ARemote control:Operation voltage: DC3VOperation current: 8mAStatic current: 8uACoding: leaning codeBattery: CR2032 3V 240mAh(included)Frequency: (high)433.92MHZ, (low)125KHZPackage size: 230 * 180 * 68mm / 9.1 * 7.1 * 2.7inPackage weight: 610g / 1.34lbPackage List:1 * Main Unit2 * Remote Controls1 * Push Start Button2 * Indicator Cable2 * Low-frequency Antennas1 * Start Cable1 * Function Cable1 * Use Manual