Eastor 4.2A Dual USB Charger w/ Voltmeter 12~24V Green LED Display

Real Time Monitoring Voltmeter Combined dual USB interfaces and LED digital display voltmeter into a combo. With built-in intelligent voltage monitor�� 2-in-1 voltmeter is able to show you an accurate voltage value at anytime while you're driving�� helping you to easily notice the battery running condition. USB Fast Charging - Wide Application Adopted high tech of 2.1A USB fast charging port�� it's able to auto select the needed current to charge your mobile devices. Perfect for most brands of Smartphones (iPhone / Samsung / Sony / HTC / Huawei / LG / XIAOMI...)�� Tablets�� GPS�� MP3 / MP4 / PSP�� digital camera and other USB-devices. Wide Operating Voltage Range It is specially designed to steadily work at the operating range of 12-24 volt�� while its transient voltage is tested up to 38V�� suitable for most SUV�� ATV�� UTV�� Scooter�� Snowmobile�� Street Bike�� Car�� boat�� Marine�� camper�� etc. Specification: Voltage: Input 12~24V DC�� Output: 5V2.1A�� 5V2.1A Interface: dual USB ports Material: Copper + ABS Plastic Wide Application: cars�� motorcycles�� ATVs�� SUVs�� UTVs�� Boats�� etc Multi-purposes: supply power for cellphone�� tablet�� GPS and other USB-devices