Parameter: Name: Motorcycle Bluetooth Tyre Pressure Monitoring System Core: ARMMO Processor: 8-bit MOU / S08 Waterproof rating: IP67 Working voltage: 3V Working current: 140uA Sleep current: 2.4uA Response time: 6s Bluetooth transmission power: OdBm MAX Bluetooth operating frequency: 2.4GHz Display mode: application mode Display mode: APP mode Working humidity: 95%MAX Tire pressure range: 100-900kpa Accuracy of tire pressure: 10 kPa Pressure unit: Bar, Psi, kPa Working temperature: -30 C ~ 80 C Tire pressure detection range: -30 C ~ 80 C Tire pressure detection accuracy: 3 C Battery capacity: 140mAh (CR1632) Battery life: 600 days (based on 4 hours of driving per day) System compatible: Support Android 4.3 system and above or iOS7.0 and above, Bluetooth 4.0 and above Language: Simplified Chinese, Traditional Chinese, English Colour: Black Gross weight: Approx.120g Packing size: Approx.13.3*8*3cm Note: The App interface may be updated from time to time, please refer to the app"'"s instructions. Product List: Sensor*2 Resistance ring*2 Tool*2 Instruction manual*1