This product sensor is connection automobile tires external Product Features: 1.Universal suitable for almost of all two-wheeled motorcycles,easy to install.self-matching, simple to operate, convenient to use 2. Powered by USB cable,2 external or Internal sensor 3. Built-in high temperature resistant explosion-proof lithium battery,fast charging, long lasting power 4. Real-time display of highly accurate tire temperature and pressure data of 2 wheels at the same time 5. Quickly detect leak and alarm, extend tire life, balance tire pressure, ensure the safety of motorcycles 6.PSI, BAR two kinds of pressure unit optional, ℃ and ℉ two kinds of temperature unit optional 7. Each sensor has a separate ID code, which has been completed before delivery, can be directly used after installation 8. TPMS dedicated radio frequency technology, the sensor real-time updates data, alarm when tire pressure and temperature are abnormal 9. TPMS dedicated Freescale chip program, 6-in-1, makes the signal more stable and reliable, monitoring data more accurate to ensure traffic safety 10.You can purchase the same type of battery for replacement after the battery run out, without having to return the external sensor to the factory(except the internal sensors). Display parameters: Size: about 48 * 48 * 27MM/1.89 * 1.89 * 1.06in Weight: about 50G 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 (external sensor)Size(approx.): Height: 13mm/0.51in, Diameter: 18mm/0.71in (external sensor)Weight: about 6.0g(external sensor)Battery life: about 5 years (Internal sensor)Size(approx.): 48*45mm (Internal sensor)Weight: about 36g(Internal sensor)Note: the product has been optimized for configuration before delivery, please switch the screen on first, and then install the sensor in turn, if you do so, generally, you do not need to set the parameter anymore. Package:1*M3-C monitor2*Sensors1*Power cable1*Spanner2*Theft-proof nut1*Holder1*Open wrench1*Clamp 
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