TPMS Tire Pressure Monitoring System,Internal Sensors

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. 
*TPMS adopts wireless transmission, and no wire connection required, easy installation, and it automatically sleep when there is no vibration.

Specifications:
Monitor:
Display screen: LCD; 
Operating temperature: -20℃ ~ 80℃; 
Working voltage: 3.5-4.2V; 
Daytime operating current/Night operating current/Standby current:＜20mA/＜4mA/＜50uA; 
Transmission frequency: 433.92MHZ+/-20KHZ; 
Transmission mode: FSK; 
Pressure unit: BAR/PSI; 
Charging ways: Solar energy/USB(USB cable is not included); 
Battery: 1 * 402040 3.7V 300mAh; 
Monitor size: Approx.9.5*3*1.5cm; 
Monito:
Operating temperature: - 40℃ ~ 125℃; 
Working voltage: 2-3.6V; 
Standby current:＜1uA; 
Transmission frequency: 433.92MHZ+/-20KHZ; 
Transmitted power:＞8dBm; 
Open Distance:＞30M; 
Battery(each sensor): 1* CR2050 3V 330mAh; 
Sensor size(each): Approx. 6.5*3.6*1.5cm; 
Sensor weight(each): Approx.30g; 
Package Size: 21*15*6cm / 8.27*5.91*2.36in. 
Package Weight: 370g / 13.05oz;

Package List:
1 * Displayer; 
4 * Internal Sensors; 
4 * Cycle Valves; 
1 * Non-slip Mat; 
1 * Bag of Screws; 
1 * User Manual Manual