Check the listing for details. Marine 12V Car-Boat-RV-ATV Power Socket + Voltmeter + Dual USB Charger. Color: Black, Condition: New. Listed at 29.77 USD. Marine 12V Car-Boat-RV-ATV Power Socket + Voltmeter + Dual USB Charger Features: voltmeter, 12V Power Socket Adapter, 2 USB socketsItem specificsCondition:NewDimension:150*116*76*50mm (Approx.)Color:BlackFeatures:Waterproof & dustproofBrand:UnbrandedShell Material:Environmentally Safe PlasticWarranty:6 MonthUSB Output Voltage:DC 5V/1A, 5V/2.1AManufacturer Part Number:Does Not ApplyVoltmeter Measuring Range:6~33VCigarette Lighter Input:12V/20A; 24V/10AUPC:7226716158238 (cannot light cigarettes) 100% Brand New Aftermarket High Quality for Marine use Material: Plastic Color: Black Size:15*11.6*5cm(6" Wide x 3" Deep x 2" High) With voltmeter, cigarette lighter adapter with weather snap cover, 2 USB sockets with weather snap cover Widely used for cars, trucks cigarette lighter refit parts USB Charger: input voltage DC12V to 24V Output: DC 5V 1A,2.1A Interface: 2 Indicator: Blue LED Widely used with electric equipment for power supply: Vehicle,GPS, mobile phone, camera, mp3 Allow any automotive with a cigarette plug attachment to be used with these surface mount cigarette sockets. Voltage Meter: Operating Range: DC 6-33V Display: Digital display The meter has easy to read red LED segments and connect to your 12 volt system Operating Voltage: DC 12V-24VBoat, Riding mower, tractor or car. Apply to all USB charging mobile phones or other electronic products. Run multiple accessories at one time, very convenient and easy to use Multi-functional product Package Content:(SOLD IN BULK--NO RETAIL PACKAGE) NO INSTRUCTIOINS 1set 12-24V Dual USB Adapter Charger + Cigarette Lighter Sockets + Digital Voltmeter WE SHIP FAST FROM OUR ILLINOIS WAREHOUSE...