Motorcycle tire pressure monitoring system. IPX67 waterproof level sensors & monitor, Anti-rust & Color disply screen, Clearly visible during the day and night. The tire pressure units Psi and Bar can be switched arbitrarily. Convenient No need to charge, connect the ACC line to supply power. Built-in smart charging chip, 5V 2A can charge the phone. The Monitor automatically power ON & OFF, Power saving. Safety. Real-time monitoring of tire pressure & temperature 5 kinds of abnormal alarms to protect tires and drive safety: High-pressure alarm; Low-pressure alarm; High-temperature alarm; Air leaking alarm; Sensor low battery alarm Item Type: Smart Motorcycle Tire Pressure Monitoring System Model: XB-T1 Working Temperature: - 20Celsius - - 75Celsius(Monitor ) - 30Celsius -+80 Celsius ( External Sensor) Pressure Accuracy: +/- 0.1 bar/+/- 2 psi Temperature Accuracy: +/- 3Celsius Sensor transmission frequency: 433.92MHz+/-0.005MHz Battery Replaceable: Yes Waterproof Level: IPX67( Monitor&Sensors) colour:Black Material:ABS+PC Package Contents: 1 x Motorcycle Tire Pressure Monitoring 2 x External sensor 1 x English manual 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.