Feature 1LED indicator, exquisite workmanship, the whole product looks high-end atmosphere. 2The product input voltage is 12-24V, all 12-24V ships and car can be installed and used, and the range of use is very wide. 35V/1A and 5V/2.1A dual USB can be used to power most car accessories such as mobile phones, tablets, navigation and GPS. 4The product is equipped with 60CM red and black wire with OT terminal for easy installation. 5With a voltmeter, you can measure the voltage of the car at any time, prevent safety accidents caused by poor battery.Condition: 100% Brand NewItem Type: Dual USB VoltmeterColor: BlackOptional LED Indicator: Blue, Green, RedMaterial: ABSOpening Size: Approx. 2.9cm/1.14inLine Length: Approx. 60cm/23.6inInput Voltage: DC12V-24VOutput Voltage: 5VOutput Current:5V/1A; 5V/2.1AReverse Protection: YesMeasurable Voltage: 6-38VWorking Temperature: -20 C -80 CWaterproof Rating: IP66Installation Range: Can Be Installed in Motorcycles, Car, Ships, Yachts, Motor Homes, Buses and Other Large-scale Travel ToolsProduct Use: Can Be Used to Power Most Car Accessories Such As Mobile Phones, Tablets, Navigation and GPSWiring: '+' at the copper terminal is connected to the positive pole of the power supply, and '-' is connected to the negative pole of the power supply.w-e-text table td,.w-e-text table th,.wang-edit-text table td, .wang-edit-text table th{border: .5pt solid #000;};.w-e-text table,.wang-edit-text table{border: 1px solid #000 !important;}Package List1 x Dual USB Voltmeter1 x 23.6in (60cm) Red Black LineNotePlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.