3 in 1 Electronic Clock Universal Motorcycle Electronic Clock Thermometer VoltOOTDTYechs: & Real-time Digital Display, Waterproof, Low Pressure, High Voltage Warning Function. Constant current voltage measurement, make the vehicle work at normal voltage, prolong the service life of the vehicle. LED panel digital display, read out in seconds, more intuitive, fast and convenient. Small size, easy to carry, will not block the ride, guarantee safe driving. Easy to install with the necessary fittings, hold the meter in place, fix it firmly and not easy to move, great for checking voltage. Specification: Material: Plastic Size: 15x29, 5x58, 5mm/ 0.6x1.16x2.3 inch Function: Voltage Indicator, Temperature Display, Clock DisplayPackage Included: 1 x Voltmeter + Electronic Clock + ThermometerNote: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Wiring method: the red wire is connected to the positive electrode of the battery, the black wire is connected to the negative electrode of the battery, and the blue wire is connected to the main power switchAfter power on, the startup screen will be displayed, and then the time will be displayed (the initial time after power off is 12:00)The time is standby 24 hours a day, measuring the battery voltage range: DC8V-72V, Country Temperature: -30°C - 70°C