Thlevel 4 in 1 Switch Panel Car Dual USB Charger 12V 4.2A LED Voltmeter ON/OFF Toggle Cigarette Socket for Boat Marine

DIY DESIGN MODEL: This four-hole panel includes 2 USB charger socket (Output: DC 5V / 2.1A / 2.1A) + LED voltmeter (Display range: 6 - 24V) + 12V power outlet (Output: DC 12V) + ON-OFF Toggle Switch + Cigarette Socket, they are interchangeable. You also can replace any port with additional USB outlets, or anything else that fits. WIDE APPLICATION: Use on automotive electronic field, electrical devices, most car, truck, buses, SUV, home, boat, camper/RV, ATV, UTV, golf cart, and more electrical devices. HIGH COMPATIBILITY: Can be used to charge for mobile phones, Tablet, GPS, digital cameras, PDAs etc. DURABLE AND SAFE: Over-current and short circuit function that ensure charging safety, meanwhile, protects your vehicle and electrical devices from a short circuit or overload. EASY TO USE: Fuses are color coded with documentation for quick confident identification, and easy installation.