Features: 1.Main Function: Tire pressure monitoring system with high accuracy, which can stably detect battery voltage, power shortage and temperature of motorcycle tires. 2.Versatile: With QC 3.0 fast charge output, our motorcycle TPMS can also charge mobile phones and cameras. And this tire pressure monitoring system is shipped with 2 button batteries, which is very convenient. 3.Excellent Performance: This motorcycle TPMS has large volume alarm sound warning system, stable signal, long receiving distance and can support a variety of tire pressure units. 4.Weather Resistance: Motorbike TPMS is waterproof and dustproof, and can be used in any weather such as sunny, rainy, snowy, cloudy, etc., to meet customers in different regions. 5.Simple Installation: The installation is simple, no complicated operation is required, convenient for using, save your time and energy. Specification: Item Type: Tire Pressure Monitoring System Features: High Precision Tire Pressure Display With QC3.0 fast charging output, can charge cell phones, cameras Battery voltage monitoring, power shortage reminder Battery: 2 CR1632 button cell 120mAh 3.0V (shipped with built in battery) Storage Temperature: -30~85 Loud Alarm Sound Warning Multiple tire pressure units to choose from Long receiving distance, stable signal Air Pressure Setting Range: 1.0~5.9BA Lcd High Precision Liquid Crystal Display Working Temperature: -30~80 Electricity Voltage: DC 12V External USB Charging Frequency: 433.92MHz20.00MHZ