This tire pressure monitoring system is compatible with most bicycles, electric bicycles, motorcycles and so on, display tire pressure and temperature, improve riding safety. Features: Improve riding safety, tire pressure monitoring, can timely detect tire abnormalities, reduce the probability of accidents. Save fuel consumption, abnormal tire pressure and temperature will increase fuel consumption, timely detection and repairs can save fuel consumption, efficient and practical. Reduce tire wear, abnormal tire pressure will cause excessive tire wear, timely detection and intervention, can effectively extend the service lifes of the tire. It can effectively maintain the motorcycles condition, prevents air leakage, and improve the service lifes of motorcycles and bicycles. Tire pressure and temperature, can be monitored and displayed, multiple monitoring, reliable. Warning function, the number turns red, indicating warning, 3-digit display, accurate display, Compatible with a wide ranges, used in most bicycles, electric bicycles, motorcycles and so on. Waterproof, dustproof, anti-flying, anti-high temperature, can operate normally in different kinds of weather conditions. Compact size, easy to carry, display times and battery, practical and fashionable. Specifications: Material: plastics+metal Working temperature ranges: -40 celsius ~+105 celsius Humidity: 100% Battery: CR1632: 3V, 150mAh Standby current: 1microamps Working current: 15mA Pressure ranges: 0~116PSI Temperature ranges: -40 celsius ~+120 celsius Frequency: FSK433.92MHz Package size: 115 * 75 * 70mm / 4.5 * 3.0 * 2.8in Package weight: 243.5g / 8.6ounce Packing List: 1 * Display 2 * Sensors 1 * USB Cable 1 * Bracket 1 * Screw 1 * Wrench