WHAT’S UPGRADED: The 12V USB Outlet is replaced by a QC 3.0 Dual charger with touch ON/OFF switch, features energy-saving, and devices protection.QC 3.0 USB CAR CHARGER: Help charge two compatible devices simultaneously with a quick speed. Features LED voltmeter to show the voltage status of a car battery in time. You can also turn this off when not in use.UNIVERSAL COMPATIBILITY: Fit for 12V-24V Motor bike Car / Boat / ATV / UTV / Camper / Caravans / Travel Trailer etc.ALL-AROUND PROTECTION: Certified by UL CE & ROHS. High-Grade Flame Retardant and environment Friendly IP65 Waterproof materials for long time use.WHAT YOU WILL GET 1 X Tent Type Socket,4 X Insulated Terminals,2 X Self-tapping Screws with 2 years warranty. Buy this with confidence.Product Description QC3.0 USB charger with switch & voltmeter Color: Black Voltmeter Color: Blue Material: ABS Input Voltage: DC 12V-24V Output Voltage: DC 3.6-6.5V/3A, 6.5V-9V/2A, 9V-12V/1.5A Product Dimension: 1.45 x 1.92 inches Por