@GB Bullet Points: 1 [ Various Charging Ways ] Motorcycle Tpms System is can be charged by solar wireless or USB, and has a built-in 1100mAh lithium battery, suitable for two-wheeled vehicles, such as motorcycles, bicycles, motorbikes, and more. 2 [ Variety of Alarm Levels ] Tire Pressure Monitor provides 7 alarm modes, you can freely set the pressure and temperature alarm values, including quick leak alarm, high/low-pressure alarm, high-temperature alarm, battery alarm, and sensor failure alarm. 3 [ Accurate Data ] Tire Pressure Monitoring System adopts wireless sensing technology that allows real-time data transmission with strong received signals, with no interference and higher stability, and uses advanced smart chips to make data more accurate and timely to prevent emergencies. 4 [ First-Class Material ] Tpms Tire Pressure Monitor System is made of high-quality materials, featuring strong sealing, watertight, and moisture-proof, and durable for long-term use. 5 [ Real-time Monitoring ] Motorcycle Tire Pressure Monitoring System provides real-time monitoring of all tire pressure and temperature, improving efficiency and extending the tire life, ensuring the safety of the driver. Features: 1. Available in solar wireless charging and USB charging. 2. 7 alarm modes. Waterproof and durable. 3. Advanced smart chips to make data more accurate and timely. 4. Wireless sensing technology allows data to be transmitted in real-time. Specifications: Name: Solar Motorcycle Tire Pressure Monitor 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, there is a color difference in the product, please understand.