Function: 1. Main function: tire pressure monitoring system with high accuracy, which can stably detect battery voltage, no power and motorcycle tire temperature. 2. Versatile: With QC 3.0 quick charge, our motorcycle TPMS can also charge mobile phones and cameras. This tire pressure monitoring system comes with 2 button batteries, which is very convenient. 3. Excellent Performance: This motorcycle TPMS has high-volume audible warning system, stable signal, long receiving distance, and can support different tire pressure units. 4. Weatherproof: The TPMS motorcycle 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: installation is simple, no complicated operation is required, convenient to use, save time and energy. Specification: Item Type: Tire Pressure Monitoring System Characteristics: Accurate tire pressure display With QC3.0 quick charge, you can charge mobile phones, cameras Battery voltage monitoring, no power reminder Battery: 2 x CR1632 120mAh 3.0V button cells (supplied with built-in battery) Storage temperature: -30 85 Loud alarm sound alert Multiple tire pressure units to choose from Long receiving distance, stable signal Air pressure setting range: 1.0 5.9 BA High-precision LCD liquid crystal display Working temperature: -30 80 Electric voltage: DC 12V USB external charging Frequency: 433.92 MHz 20.00 MHz Package List: 1 x tire pressure monitoring system 1 x support bracket 2 sensors 1 x User Manual 3 accessories