Waterproof Dual USB Charger Socket Power Outlet 2.1A & 2.1A (4.2A) with LED Voltmeter & Wire in-line 10A Fuse for 12-24V Car Boat Marine Motorcycle (Black w/ Aluminum Alloy) - Dealpeak, 4350398556

• ★【Intelligent Charging With Smart Charging IC】: Dual USB ports totally for 4.2A and each for 2.1A, will auto detect your devices and charge 2 devices at optimal speed in the meantime for maximum charging efficiency. ★【Built In LED Voltmeter For Battery Health Monitoring】: Real-time monitor the health of your vehicle's battery and electrical system, LED luminous digit figure makes you to check the data at night or in darkness. ★【Overcharge Protection For Charging Safety】: The wire embedded with a 10A built-in fuse for over-load protection,charges safely and without risk of overheating or damaging devices,thus keeping it stay safe while charging and prolonging the device life as well. ★【Waterproof & Temperature Resistance】: The waterproof lid secures the USB port and leaves it able to work in splash conditions,excellent IP66 waterproof level will helps you more in actual use. Besides, made of high and low temperature resistant flame retardant material of PC, it's durable and super strong to last. ★【Broad Compatibility】This USB charger socket fits for DC 12-24V car, boat, marine, motorcycle, ATV, RV etc.