Advantages:Many accidents are caused by tire leaks on the highway. As a car owner, driving safely is a top priority.To reduce such accidents, a tire preure monitoring system (TPMS) must be installed.With TPMS, we can keep the tires within the specified preure and temperature range at any time to reduce tire damage and ensure safe drive.Powerful TPMS:1. Tire preure monitoring system (TPMS) can monitor tire preure and temperature status in real time, and it will transmit real-time voice alerts and flash sirens to remind drivers of vehicle comfort and driving safety.2. Display tire preure and temperature at the same time.3. Leakage warning, low preure warning, high preure warning.4. High temperature warning, low battery warning, no signal warning.Wide application:This system is widely applicable to vehicles with 4 tires, the maximum tire preure is 8.0 bar, such as commercial vehicles, off-road vehicles, minibuses and cars.4 PCS sensors:We offer 4 sensors are suitable for use in rainy weather. In addition, they have high sensitivity and good accuracy in measuring preure and temperature.Specifications:Internal sensor:Working preure: 0-51 psi / 0-3.5 barPreure accuracy: plus or minus 1.5 psiTransmiion frequency: 433.92MHzWorking temperature: minus 20-85 degrees CelsiusStorage temperature: minus 40-plus 125 degreesWorking voltage: 2.0-3.6VWaterproof IP67Battery: built-in CR2050 button cellBattery service life: 2-5 yearsExternal sensor:Working preure: 0-51 psi / 0-3.5 barPreure accuracy: +/- 1.5 psiWorking frequency: 433.92MHzWorking voltage: 2.0-3.6VWaterproof IP67Working temperature: minus 40-85 degrees CelsiusStorage temperature: minus 40-plus 125 degreesBattery: Built-in CR1632 120mAh button cellBattery service life: 1-2 years (can replace the battery)Packing List:1 * TPMS Receiver4 * External Sensor1 * Wrench4 * Anti-theft Nut1 * Rubber Pad1 * Manual 1 * USB Card Reader