🔌 Waterproof Dual USB Port Charger with Red LED Voltmeter - Fast Charge Mount for Vehicles and Marine Applications Review

4.2A Rocker Style Car Dual USB Charger Socket - DC 12-24V input, 5V Power Outlet 2.1A & 2.1A for fast charging phones, tablets, GPS and other devices. Red LED Digital Display Voltmeter - USB has a numeral 12V voltage readout to monitor the battery voltage condition. The red light was not dazzling, and in the evening, the volt is bright and visible. Wildly Application - Compatible with popular mobile devices USB 2.0, any device including digital cameras, PDAs, mobile phones and USB accessories. Universal for car, bus, boat, marine, ATVs, UTVs, Golf carts, tractors or anywhere else can be thought of. Rocker Switch Style - Can be installed directly in any desired place, or directly replace the original device, or directly replace the panel rocker switch position. Works great as a replacement or extra general dual USB charger post in Genuine Marine rocker switch panel, or others. Multi-protection - 1 Waterproof and dustproof cover is completely suitable for marine wet or dust environment. 2 Overcharge protection can stop charging automatically when the device battery fully charged. 3 USB using Copper plate interface, rust-proof. CE certified.