Colorful LCD digital displaying, clear to show tire information Wireless connect by external sensors, easy install Real-time automatic monitoring and warning of information, such as low tire pressure, high tire pressure, rapid air leak, high tire temperature and low battery voltage Accurately receive the signal, and the tire pressure condition truthfully and intuitively Note: The must be turned on installing the sensor. Press and hold the left button for 3 seconds Function: Rear-time monitoring pressure & temperature of 4 tires Low air pressure / High tire pressure alarm High temperature / Leakage / Low Battery Alarm Specifications: External sensor working temperature: -20-60 Size: As the picture Battery powered: 2 x Battery(Not included) colour:black material:ABS+metal Package Contents: 1 x Tire Pressure Monitor 4 x External Sensor 4 x Nut 1 x Wrench 1 x Non- Mat 1 x English manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.