This product r is connection automobile tires externalProduct Features:1.Universal suitable for almost of all two-wheeled motorcycles,easy to install.s-matching, simple to operate, convenient to 2. Powered by USB cable,2 external or Internal r3. Built-in high temperature resistant explosion-proof battery,fast charging, lasting power4. Real-time display of highly accurate tire temperature and preure data of 2 wheels at the same time5. Quickly detect leak and alarm, extend tire life, bace tire preure, ensure the safety of motorcycles6.PSI, BAR two kinds of preure unit optional, ℃ and ℉ two kinds of temperature unit optional7. Each r has a separate ID code, which has been completed before delivery, can be directly d ar installation8. TPMS dedicated radio frequency technology, the r real-time updates data, alarm when tire preure and temperature are abnormal9. TPMS dedicated Freescale program, 6-in-1, es the signal more stable and reliable, ing data more accurate to ensure ffic safety10.You can purchase the same type of battery for repment ar the battery run out, without having to return the external r to the factory(except the internal rs).Display :Size: about 48 * 48 * 27MM/1.89 * 1.89 * 1.06inWeight: about 50GBuilt-in battery capacity: 850 mAhWorking temperature: (- 20 ℃ ~ +80 ℃)Storage temperature: (- 30 ℃ ~ + 85 ℃)Receiving frequency: 433.92MHzr :Working temperature: (- 40 ℃ ~ + ℃)Storage temperature: (- 40 ℃ ~ + 120 ℃)Preure range: 0 ~ 116psi (0 ~ 8bar)Preure accuracy: ± 0.15PSI (± 0.01bar)Temperature accuracy: ± 3 ℃nsmiion frequency: 433.92MHzBattery life: about 2 years (external r)Size(approx.): Height: 13mm/0.51in, Diameter: 18mm/0.71in (external r)Weight: about 6.0g(external r)Battery life: about 5 years (Internal r)Size(approx.): 48*45mm (Internal r)Weight: about 36g(Internal r)Note: the product has been optimized for configuration before delivery, please switch the screen on first, and then install the r in turn, if you do so, generally, you do not need to set the anymore.Package:1*-C 2*rs1*Power cable1*Spanner2*Theft-proof nut1*Holder1*Open wrench1*Clamp