Engine push start button lock system. With this, you can start stop your car much easier keep your car safe at the same time. Features: Intelligent one key to start the system, using smart chips, can provide a key to start / flameout, convenient simple. Keyless entry, automatic sens switch lock function, near the car 2 meters, the automatic sens unlock. There is a remote start / flameout, countdown ten minutes off function. Summer cool car, winter warm car, no longer bear the car when the uncomftable. With the identity function, the remote control is not able to start nmally. Specifications: Main material: ABS Col: black Remote Control Battery: 1 CR2032 button battery, 3V 240mAh ( included) Wking voltage: DC 12V Quiescent current:less than 10mA Wking frequency: 433MHz Item weight: 400g / 0.88lb Package size: 300 100 50mm / 11.8 3.9 2.0in Package weight: 550g / 1.21lb Package List: 1 Host 2 Remote Control Hle 1 Start Button 2 Sensing Antenna 1 Start Harness 1 Detection Harness 1 Reste Button 1 Manual