3 In 1 Voltmeter Thermometer Monitor Dual Usb 12v/24v Blue Display

100% brand new and high qualityCan measure the voltage of your car to avoid excessive electricityCan measure the temperature inside your car and charge your phone quicklyCompact design, easy to carryPlug and play, convenient to use. LED display, comfortable to lookMaterial: PlasticColor: BlackVoltage: 12V/24VMaximum Output Current: 2.1AVoltage Measuring range: 0-30V (Blue Display)Temperature Measuring range: -30 - 70 degree Centigrade(Red Display)Size: 10*6*4cmFunction1:Digital thermometer suitable for 12V and 24V battery measuring range:-10~70Function2: Simply plug into cigarette socket,instant confirmation of battery voltage,low power consumption high light display.Function3:Car-Mounted ChargerSuitable for 12V and 24V batteryoutput voltage:5.0VMaximun output current:2.1APackage:1 x 3 in 1 VoltmeterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.