Features: Contains precision wireless transmission sensor, and gives the accurate reading.  High accuracy - Electronic pressure monitoring mode adopted, pressure monitor accuracy up to ± 1.5PSI.  Waterproof Wireless display design - Waterproof design, built-in 850mAh rechargeable battery, free of power cord trouble, easy to install.  Wireless TPMS real time monitors the pressure and temperature of the tires and battery voltage with the digital LCD screen,waterproof and dust-proof,anti-theft screw help you monitor the vehicle from various aspects.  Applicable to two-wheeled motorcycle - Suitable for all kinds of wheeled motor vehicles.   Specifications: Color: Black;  Working Voltage: Sensor: 2~3V;  Working Temperature:(-20℃～+80℃);  Storage Temperature:(-30℃～+85℃);  Input Voltage:DC 5V;  Pressure accuracy: ±0.1 bar;  Transmission power: < 10 dbm;  Transmitting Frequency:433.92MHz;  Monitor Pressure Range: 0~8 Bar (0~116PSI);  Charging Time: 2-3 hours;  Working Time: About 4 month;  Battery：WI:50mA/WF:120mA;  Size:Height:18mm;Diameter:13mm;  Weight:60g;   Packing List: 1×Display;  2×External Sensor;  1×Handlebar Holder (18-24mm);  2×Nuts;  1×USB Cable;  1×Sensor Cover Tool;  1×Wrench;  1×User Manual