USB TPMS External Sensor Car Tire Pressure Monitoring Alarm System For Android Description: USB TPMS for Android Car Navigation DVD Player Auto Tire Pressure Monitoring Tyre Temp Alarm System 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; 4. With air leakage alarm, low pressure alarm, and high pressure alarm; 5. High temperature warning, low power consumption warning, and no signal warning. 6. Provide 4 sensors, suitable for rainy days, with high sensitivity, good pressure and temperature accuracy. Specifications: Main unit Working voltage: DC 5V Transmitting frequency: 433.92MHz Pressure unit: bar Temperature unit: Deg.C Interface: USB Product size: 80*73*15mm Application: widely applicable to vehicles with 4 tires, the maximum pressure of tires is 8.0 bar, such as for commercial vehicles, off-road vehicles, vans, cars, etc Sensor Type: external sensors Working pressure: 0.1-6.0Bar Working frequency: 433.92MHz Working voltage: 2.0-3.6V Waterproof: IP67 Working temperature: -40 ~ + 85 C Storage temperature: -40 ~ + 125 C Battery: Built-in 120mAh CR1632 button battery Battery life: 1-2 years (replaceable battery) NOTICE: 1. This USB TPMS is only suitable for Android car DVD players! Included: 1 X Main Unit 4 X External Sensors 4 X Anti-Theft Nuts 1 X Wrench 1 X Instruction Manual