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: external sensorsWorking pressure: 0.1-6.0BarWorking frequency: 433.92MHzWorking voltage: 2.0-3.6VWaterproof: IP67Working temperature: -40~ + 85Storage temperature: -40~ + 125Battery: Built-in CR1632 button batteryMaterial: plasticcolour: blackPackage Contents:1 set tire pressure monitorOnly 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.