DROK Cigarette Lighter Plug Digital 12V/24V Voltage Gauge Auto 5V/2A Car Usb Charger For IPhone/IPod/IPad
Features:Size:75mm x 40mmPower mode: cigarette lighter styleVoltage measuring range: DC 8-40V ( DC12V/24V Universal )Display: 3 bits, Red LED digital tube (if need Blue LED,please check the item B00EZ031KC)Voltage error: 0.1-0.2VUSB Output Voltage: DC 5.0-5.1VUSB Output Current: 0-2.1AFunction 1: Car battery voltage monitoring,for 12V cars, SUV, 24V trucks, buses.Function 2: USB charger, for the charger of 0-2.1A cell phones, digital cameras, tablet computers and etc.  Applicable Type: Support Apple/Android, suitable for IPhone/Ipad/IpodPlease Note:  Not compatible with GALAXY, if need, please add a USB adapter for GALAXY, or please check the itemPackage include:1x 2in1 Digital Voltmeter and USB Charger