Simple structure makes the car immobilizer easy to be installed and used. Adopted with excellent anti-interference and anti-shield technology, the car immobilizer has stable and high performance. Made of premium ABS material, the car immobilizer is reliable and has long service life. Length of the car immobilizer is 2cm, width is 1.5cm and thickness is 3.5cm. It is suitable for car and other vehicles with voltage of 12V. Item Name: Car Immobilizer Material: ABS Load Current: 30A Warning Distance: 15m Supply Voltage: 12V Batteries: CR2032 Button Battery (Included) Working Current: Remote Controller: 5mA, Car Immobilizer: 20mA Size Details: 2cm x 1.5cm x 3.5cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Car Immobilizer 2 x Remote Controllers 1 x User Manual