Features: Universal suitable for almost of all two-wheeled motorcycles,easy to install.self-matching, simple to operate, convenient to use Powered by USB cable,2 external or Internal sensor Built-in high temperature resistant explosion-proof lithium battery,fast charging, long lasting power Real-time display of highly accurate tire temperature and preure data of 2 wheels at the same time Quickly detect leak and alarm, extend tire life, balance tire preure, ensure the safety of motorcycles PSI, BAR two kinds of preure unit optional, and two kinds of temperature unit optional Each sensor has a separate ID code, which has been completed before delivery, can be directly used after installation TPMS dedicated radio frequency technology, the sensor real-time updates data, alarm when tire preure and temperature are abnormal You can purchase the same type of battery for replacement after the battery run out(except the internal sensors). Specifications: Display parameters: 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 ) Preure range: 0 ~ 116psi (0 ~ 8bar) Preure accuracy: 0.15PSI ( 0.01bar) Temperature accuracy: 3 Transmiion frequency: 433.92MHz 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 Included: 1 set x Motorcycle Tyre Preure Monitoring System About Portable Tire Tester: Features: 100% Brand new and high quality LCD screen display with backlit for easy reading Small portable design, easy to hold and operate Preure units available: PSI, BAR, KPA, KGF/CM2 Accurate and quick measuring, reliable to use Manual power on/off and auto power off for power saving LED light at gauge nozzle, convenient to use even at night This Mini Tire Preure Gauge with easy-to-read LCD screen, is used to monitor your tyre preure, thereby extending tire life, increasing fuel efficiency and ensuring your safety.It is suitable for measuring tire air preure of cars, motorcycles,etc. Specifications: Test range: 0-150PSI Accuracy: 1PSI Resolution: 0.5PSI Units: PSI, BAR, KPA, KGF/CM2 Power supply: 1*3V CR2032 button battery (Included) Product size: As the picture Material: ABS Package included: 1* Tyre preure guage