Features: 1. This tire pressure monitoring system (TPMS) can monitor tire pressure / temperature status in real time; 2. With real-time voice alarm and flashing warning signs to remind drivers for better driving safety; 3. Simultaneously display tire pressure and temperature;Provide 4 sensors, suitable for , with high sensitivity, good pressure and temperature accuracy. 4. With air leakage alarm, low pressure alarm, and high pressure alarm; 5. High temperature warning, low power consumption warning, and no signal warning. Specifications: Type: Built-in sensors Working pressure: 0.1-6.0Bar Working frequency: 433.92MHz Working voltage: 2.0-3.6V Waterproof: IP67 Working temperature: -40~ + 85 Storage temperature: -40~ + 125 Battery: Built-in CR1632 button battery Material: plastic colour: black Package Contents: 1 set tire pressure monitor Only the above package content, other products are not included. Note: Light reflection 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.