Car Truck Dual USB Charger Push Switch Marine Boat Blue LED 12V

Upgraded Version:  Dual Port USB Car charger.Input: DC 12-24V; Output:DC 5V 4.2A;Switch Style Blue LED Light With Blue Led Digital Voltmeter, it can easily monitor the storage-battery voltage, with reverse connection protection function, line will not burn Easy to use and install. Over-heated, over-current, over-charging protection, charging automatically stops when device battery is full. Compatible Devices: iPhone 6 6S Plus iPad Pro, Air Mini Samsung Galaxy S6 Edge and More Mobile Phones.     Simple, small and elegant design. Environmental ABS material.  MICTUNING Switch Style USB car charger with Digital Voltmeter is the best choice for charging your Mobile devices and battery voltage monitor! Simple, small and elegant design. Environmental ABS material. Dual USB ports:input: DC12V/24V; output:DC 5V 4.2A Great for the boats or outdoor use with waterproof cover Blue Led Digital Voltmeter, it can easily monitor the storage-battery voltage, with reverse connection protection function, line will not burn Timely grasp the state of battery voltage, voltage measurement purposes can also be used for other products. Compatible Devices: Dual Ports Rapid Switch Style USB Car Charger for Apple iPad Air iPad 5 iPad 4 New iPad 3 iPad 2 / Apple iPhone 6 iPhone 6 Plus iPhone 5s iPhone 5c iPhone 5 iPhone 4s iPhone 4 iPhone 3Gs / Apple iPod Nano / iPad Mini and iPad Mini with Retina High Speed Charging for Samsung Galaxy Tab Samsung S2 S3, S3 mini S4 S5 Amazon Kindle Kindle Fire HD HDX Nook Google Nexus 4 5 7 10 and many tablet and mobile devices Compatible Devices: Universal fit most of cars Size of Drill: 37.2 ×21.2 mm.  Please check the size before you purchase Included in this package: 1 x Dual USB Charger Voltmeter