Easy Installation, Quick Alarm: The Taimster Tire Pressure Monitoring System MS1 offers five alarm modes: including quick air leak alarm, high/low pressure alarm, high temperature alarm, and sensor battery low battery power alarm). The sensors are equipped with programming with the monitor after production, you only need to set the safe pressure value and safe temperature value you need. Alarm safety ranges are -25%PSI to +25%PSI for reference pressure and -25%°F to +25%°F for reference temperature. The alarm be triggered when the monitored data is out of the safe range. [Solar and USB Charging] The tire pressure monitoring system supports both solar charging and USB charging. By using higher quality and more solar lithium battery panels, the monitor has excellent automatic charging and storage capabilities, which can extend the service life of the monitor, ensuring that drivers do not need to worry about the continuity of the product's operation. Supports USB charging and is equipped with a USB charging cable, double insurance to normal use around the clock. If the display power flashes when there is sufficient sunlight, please use the provided USB cable to charge the display. [Various Alarm Modes and Automatic Alarm Value Settings] The TPMS tire pressure monitoring system alarm mode protects safety, including high/low pressure alarms, high temperature alarms, etc. When the tire sensor is installed, the monitor automatically configure the current pressure as a reference point, without the need to manually set the high and low pressure alarm values, which is smart and convenient. Due to different batches, the appearance of some accessories may be slightly different, which not affect the use Working voltage: 3.7V Working temperature: 70c Waterproof level: IPX7 Pressure ra: 0-6BAR mitting frequency: 433.92MHZ mitting power: 10dBm Charging voltage: DC 5.1V Colour:Black Mat