Feature 1Cigarette lighter plug,plug in and directly operate. 2LCD blue backlight, HD precision, more details,and easy to install. 3Universal TPMS for 4-wheel car, not suitable for motorhome, caravan or trailers. Features: Cigarette lighter plug,plug in and directly operate. LCD blue backlight, HD precision, more details,and easy to install. Universal TPMS for 4-wheel car, not suitable for motorhome, caravan or trailers. Fast leak alert when the tire pressure over/low,user can set the alarm limit by himself. Real-time four tire data indication ,TPMS automatic update the tires pressure and temperature. Specifications: Color: Black Material: ABS Package Weight: 311g/11in Package Size: 17.8*13.8*6.7cm/7*5.4*2.6in Package List: 1 * Tire Pressure Monitor 4 * External Cap Sensors Package List 1 * Tire Pressure Monitor 4 * External Cap Sensors