Description: The Motorcycle Tire Pressure Monitoring System has a built-in 1100mAh lithium battery to support solar wireless charging and USB charging, helping you monitor all tire pressure and temperature in real-time, extends tire life, and ensures the safety of the driver. Features: 1. Available in solar wireless charging and USB charging. 2. 7 alarm modes (including quick leak alarm, high/low-pressure alarm, high-temperature alarm, battery alarm, and sensor failure alarm). And able to freely set the pressure and temperature alarm values. 3. Advanced smart chips to make data more accurate and timely. 4. Wireless sensing technology allows data to be transmitted in real time, with strong received signals, no interference, and higher stability. 5. Waterproof and moisture-proof to be used in harsh weather. Specifications: Product Name: Solar Motorcycle Tire Pressure Monitoring System Working temperature: -30 to 70 Pressure accuracy: 0.1 bar Temperature accuracy: 2 Transducer transmission frequency: 433.92 MHz Battery: Replaceable ( built-in 1100mAh lithium battery ) Material: ABS and PC Waterproof Grade: IPX67 (MonitorYSensors) Product size: about 45*45*22mm/1.77*1.77*0.87inch Packing List: 1* Tire Pressure Monitoring System for Motorcycle Notes: 1. Due to the lighting effects and shooting angles, there is a color difference in the product, please understand. 2. Due to manual measurement, there is a tolerance in the product size.