Specification: Name: LED 3 in 1 voltmeterMaterial: ABSBracket material: aluminum alloy (dazzling style is stainless steel)Size: 70*33*19.5mm, power cord length: 48cmBlister paper card size: 15.5 * 12 * 2cmBracket size: 28*55mmDisplay: voltage / time / temperatureLight color: blue, red, white, greenVoltage range: 6V-30VWaterproof rating: IP67Features: large screen digital display, the figures are bright and easy to see, still clearly visible during the dayVoltmeter set contains: 1*Voltmeter+1*Fixing base+2*Ties+2*ScrewsPackage contains: 1*voltmeter set or 1* bracket Time setting: 1. power supply state, long press the button 2 seconds after the hour segment flashing, said to enter the hour setting at this time each short press the button, increase 1 hour (24-hour system).2. After the hour value is set, press and hold the button again for 2 seconds, the minute segment flashes, indicating that it enters the minute setting, at this time, each short press of the button increases by 1 minute.3. After setting the minutes, press and hold the button again for 2 seconds to exit the time setting.