Features: brand new and high quality Easy to install and hide well in the vehcle. Universal for most vehicle type of for DC 12V. It also can match with the car alarm system which has remote 4 Alarm mode. Can be combined with a car alarm system with remote engine start function. Alarm mode emergency release mode and anti-hijacking function. Engine immobilization with inductive range of 2-8 meters. The built-in G-sensor system can prevent illegal driving. Transmitter low battery detection, with code learning mode , it can memorize up to 3 for smart keys, radio frequency 2.4Ghz. Specifications: Material: ABS Color:Black Size:As Picture Shown Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Host 1x Manual 2x Remote Note: 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.