For PCX NMAX Motorcycle Universal Multi-function Water Thermometer Voltmeter USB Charging Three in One Waterproof Meter -- Welcome to our store! Product Description Voltmeter: display range DC8.0 ~ 30.0V Voltage warning range: DC10-24V Use voltage: DC12V Operating temperature range: -10 ~ + 60 Water thermometer: display range 0 ~ 99 Temperature warning range : 99 Use voltage: DC12V Operating temperature range: -10 ~ + 60 Instrument size: 50 * 40 * 20 mm Charging mobile phone via USB: DC12-24V input voltage Operating temperature range: -10 ~ + 60 Output voltage: DC5V Output current: 3A Suitable for 99% of mobile phones and charging devices (If you have any questions, please let us know and we will try our best to help you solve them. ) Temperature shows the water temperature