Feature:1. *Tire Pressure Monitoring System lets you get real-time tire pressure data, temperature data and status, always keeping an eye on car performance.2. *Combined with the solar energy display that is green, low carbon and renewable, enabling you to charge the device faster and conveniently.3. *4 wheels\u0027 tire pressure and temperature display simultaneously, high/low tire pressure alarm, high temperature alarm and air leakage condition alarm.4. *The real-time tire pressure data, reliable alarm system delivers alerts once an unusual situation occurs, very convenient and practical.5. *adopts wireless transmission, and no wire connection required, easy installation, as well as easy operation.6. Tire Pressure Monitoring System lets you get real-time tire pressure data, temperature data and status, always keeping an eye on car performance.7. Combined with the solar energy display that is green, low carbon and renewable, enabling you to charge the device faster and conveniently.8. 4 wheels\u0027 tire pressure and temperature display simultaneously, high/low tire pressure alarm, high temperature alarm and air leakage condition alarm.9. The real-time tire pressure data, reliable alarm system delivers alerts once an unusual situation occurs, very convenient and practical.10. adopts wireless transmission, and no wire connection required, easy installation, as well as easy operation.Specification:Features:*Tire Pressure Monitoring System lets you get real-time tire pressure data, temperature data and status, always keeping an eye on car performance.*Combined with the solar energy display that is green, low carbon and renewable, enabling you to charge the device faster and conveniently.*4 wheels' tire pressure and temperature display simultaneously, high/low tire pressure alarm, high temperature alarm and air leakage condition alarm.*The real-time tire pressure data, reliable alarm system delivers alerts once an unusual situation occurs, very convenient and practical.*adopts wireless transmission, and no wire connection required, easy installation, and it automatically sleep when there is no vibration.Specifications:Monitor:Display screen: LCDOperating temperature: -20 ~ 80Working voltage: 3.5-4.2VDaytime operating current/Night operating current/Standby current:20mA/4mA/50uATransmission frequency: 433.92MHZ+/-20KHZTransmission mode: FSKPressure unit: BAR/PSICharging ways: Solar energy/USB(USB cable is not included)Battery: 1 * 402040 3.7V 300mAhMonitor size: Approx.9.5*3*1.5cmMonitor weight (with solar panel): Approx.71gSensor:Operating temperature: - 40 ~ 125Working voltage: 2-3.6VStandby current:1uATransmission frequency: 433.92MHZ+/-20KHZTransmitted power:8dBmOpen Distance:30MBattery(each sensor): 1* CR2050 3V 330mAhSensor size(each): Approx. 6.5*3.6*1.5cmSensor weight(each): Approx.30gPackage Size: 21*15*6cm / 8.27*5.91*2.36in.Package Weight: 282gPackage List:1 * Displayer4 * Internal Sensors4 * Cycle Valves1 * Non-slip Mat1 * Bag of Screws1 * User Manual (English)Package List:1 * Displayer4 * Internal Sensors4 * Cycle Valves1 * Non-slip Mat1 * Bag of Screws1 * User Manual (English)