Product Features: 1. Motorcycle tire pressure + clock 2in1 . 2. Built-in high temperature resistant explosion-proof lithium battery,fast charging, long lasting power 3. Real-time display of highly accurate tire temperature and pressure data of 2 wheels at the same time 4. Quickly detect leak and alarm, extend tire life, balance tire pressure, ensure the safety of motorcycles Built-in lithium battery capacity: 850 mAh Working temperature: (- 20 ~ +80 ) Storage temperature: (- 30 ~ + 85 ) Receiving frequency: 433.92MHz Sensor parameters: Working temperature: (- 40 ~ + 105 ) Storage temperature: (- 40 ~ + 120 ) Pressure range: 0 ~ 116psi (0 ~ 8bar) Pressure accuracy: 0.15PSI ( 0.01bar) Temperature accuracy: 3 Transmission frequency: 433.92MHz Battery life: about 2 years Package included: 1 X Host 1 X USB Cable 1 X Bracket 2 X External Sensors 1 Set X Parts 1 X Instruction Manual