With a QC 3.0 fast charging USB output, it can charge mobile phones, tablets and power . Support battery voltage detection and display, and low-voltage alarm function. This TPMS is designed to provide you with more protection when riding. It warn the tire condition in advance. After installing TPMS, this system can monitor the tire pressure and temperature in real time. If any abnormal tire pressure and temperature are detected, the system send a warning sound and a bright flashing to inform you in real time. Real-time reminders and problem solving can prevent traffic accidents and the safety of riders and passengers. Tire pressure setting range: 0.1~6.0Bar Temperature setting range: 60Celsius~100Celsius Working temperature: -20Celsius~+80Celsius Storage temperature: -30Celsius~+85Celsius Power voltage: DC 12V Output voltage: DC 12V, 9V, 5V Frequency: 433.92MHz±20.00MHz Receiver: Working temperature:-20Celsius~80Celsius Storage temperature: -30Celsius~85Celsius Power-on voltage: DC 5V Frequency: 433.92MHz±20.00MHz Sensor: Working temperature: -20Celsius~80Celsius Storage temperature: -30Celsius~85Celsius Pressure range: 0~6.6Bar Pressure accuracy: +/-0.1Bar Temperature accuracy: +/-3Celsius Transmitting power: Less than 10dB Frequency: 433.92MHz±20.00MHz Colour:black Material:ABS Package Contents: 1 x Tire pressure display 2 x Sensor 1 x Bracket 1 Set x installation tools Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.