Feature 1、The TPMS will monitor tire pressure and temperature status in real time. 2、Cigarette lighter type socket charging, just plug the external TPMS into your car's cigarette lighter socket, and it's ready to use, convenient and fast. 3、Tire leakage warning, auditory alarm and visual warning to remind the driver of driving safety. 4、The data of four tires and temperature is clear at a glance. 5、Fixed rod, Psi pressure unit and fixed temperature unit are optional. Features: The TPMS will monitor tire pressure and temperature status in real time. Tire leakage warning, auditory alarm and visual warning to remind the driver of driving safety. The data of four tires and temperature is clear at a glance. The sensors as long as the connection in the cigarette lighter, can monitor in real time, convenient and practical. Specification: Material: ABS Type: Digital Working frequency: 433.9200MHz±20khz Sensor working current (quiescent): <1uA Sensor working current (dynamic): <15mA Display working current (quiescent): ＜0uA Display working current (dynamic): ＜30mA Working temperature: -40°C-+120°C Pressure detection range: 0-72.5 psi, 0-5.0 bar Charging: Cigarette lighter socket charging Battery duration: external sensor 1-2 years Package list: 1 * Display Screen 4 * Sensors 4 * Screws 1 * Wrench 1 * Manual Note: 1. This product can monitor tire pressure and temperature in real time and give warning. However, it cannot prevent the occurrence of accidents, so we do not assume the responsibility for direct or indirect losses caused by the damage of this product.