This solar power wireless motorcycle tire pressure monitoring system, made with durable ABS shell and selected electronic components, easy to install and use, works great to real time monitor the pressure and temperature of tires automatically during the driving, provides low battery alarm and alert in advance for dangerous status, such as quick air leakage, low/high pressure and high temperature. Let you drive assuringly. Features: Solar Power & USB Charge solar panel on the top & magnetic USB cable charge--two methods to charge the tire pressure monitoring system, very convenient, make it continuously work for a long while. High Accuracy & Auto Sleep the tire monitor, equipped with quality chip, strong anti-interference, stable signal, for wireless smart sensitive sensing; auto sleep after 10 mins motionless tires, auto wake at car's running. Real-time Monitor & Alarm LCD screen, with sunshade, clear to display current time, tire pressure and temp (unit switchable) in real time; red light & beep sound to warn abnormal tire condition, for safe driving. Easy Installation & Setting external waterproof sensors, tire pressure monitor & the holder, all fast easy to assemble, mount on the motorcycle; only simple steps, effortless to setup threshold value and more. Wide Range of Use TirePressureMonitoringSystem, widely used in various kinds of two-wheeled motor vehicles, to improve fuel efficiency, foresee air leakage, reduce worn-out tire, balance tire pressure, ensure safety. Specifications: Material: ABS Color: Black Operating Voltage: 3.7-5V Operating Current: 7.5mA RF Transmission Frequency: 433.92MHz50KHz RF Signal reception Sensitivity: -90dbm Display: LCD Tire Pressure Monitor Battery: 800mAh Battery Pressure Sensor Battery: 1 * 3V CR1632 Button Cell Operating Temperature: -20~75 Storage Temperature: -30~80 Tire Pressure Monitor Size: 54*52*35mm / 2.12*2.04*1.37in Tire Pressure Monitor Weight: 65g / 2.29oz Package Size: 18*13*5cm / 7.08*5.11*1.96in Package Weight: 250g / 8.81oz Note: Tire pressure monitoring system only, others in pictures are not included. Please read the user manual for more infor, before usage. Due to manual measurement, there may be deviation. Due to lighting or other reasons, it may slightly differ from pictures. Packing List: 1 * Tire Pressure Monitor 2 * Pressure Sensor 1 * Mounting Bracket 1 * USB Cable 2 * Nut 1 * Wrench 1 * User Manual