Feature 1Adopts high sensitivity sensors and intelligent chip, quickly induction anomaly, accurate beep sound alarm. 2Sends the real time tire information to the monitor via wireless transmit and monitor displays the real time tire pressure and temperature. 3Color LCD digital display for clear display of tire information, monitor the pressure and temperature of 4 tires in real time. 4Equipped with tire pressure monitoring, air leakage monitoring, tire temperature monitoring function, monitoring your tires in all directions, keep tire on optimal pressure and ensures your safety. 5Multiple alarms design, with low air pressure warning, high air pressure warning, high temperature alarm, air leakage alarm, sensors low power alarm function. 6Two kinds of power supplying methods, solar recharging and USB recharging, which ensure the tire pressure monitoring system will work continuously. 7Intelligent start up induction design, automatically senses the car status, it will automatically starts when the car is ignitions, no need to manually starts. 8IPX7 water resistant, no need to worried about rainy or snowy days anymore, suitable for a complex environment. 9High compatibility, universal design, suitable for small car, business purpose vehicle, minibus and etc.. Specifications: Name: Tire Pressure Monitor Material: ABS + metal Color: black Monitor battery: 1 * 3.7V, 1000mAh built in battery (included) Sensors battery (according to your selection): External type: 4 * CR1632 battery, 3V, 120mAh (included) Operation frequency: 433.9200MHz0.1MHz Working voltage: 2.0-3.6V(sensors); 5V(display) Working current: 15mA Working temperature of sensors: -40 to 125; 2 Working temperature of display: -20 to 70; 2 Monitoring temperature ranges: -40 to 130; 2 Monitoring pressure ranges: 0bar-3.5bar; 0.1bar Item size: 120 * 60 * 25mm / 120 * 2.36 * 0.98in Package size: 170 * 145 * 60mm / 6.69 * 5.71 * 2.36in Package weight: 260g / 9.17ounce Package List 1 * Tire Pressure Monitor 4 * Sensors1 * Non Slip mat 4 * Nuts 1 * Wrench 1 * Date Cable 1 * Manual