Product Info Select the Mounting above in the drop down menu Dual USB Charger + Voltage Meter - Suitable for a wide variety of applications Dustproof and Waterproof Plug for protecting socket when not in use Dual 3.0 QC (Quick Charge) USB Outlets: 3.0A + 3.0A Blue LED Volt Display Charge 2 devices at the same time Mounting with or without panel (select from drop down menu) Suitable for Mobile Devices and USB Accessories No Panel variant not suitable for mounting in panels with mounting flats Includes: 1 x Dual USB Charger + Volt Display 1 x Flush mount panel (if selected) 1 x Locking ring/nut 2 x Black screws (if panel selected) 2 x Female terminals Description This Dual USB Charger + 12v Battery Monitor is the ideal addition to any vehicle setup. Capable of 12 v and 24 v input, this car charger has a wide variety of uses in the automotive and marine industries. When you want to keep an eye on your automotive and marine batteries, while keeping all of your electronics fully charger, you should get a dual QC3.0 USB Charger with Volt Meter. The carcharger is protected with a rubber boot when not in use. This allows you to block off the electrical components from dust and water when not in use. When you are looking for a versatile dual usb charger, look no further than our usb charging port. This battery meter has a universal fit to any correctly sized cut out. If you match up the voltage gauge with a mounting panel you can cover over exiting cut outs for a clean factory look. 12v Battery Monitor allows you to track your car or caravans battery voltage with the 12 volt gauge. Ideal as a battery volt meter, this voltage gauge works perfectly in many scenarios. Specifications Size of cut out required: 29mm ⌀ Face surface size (Panel): 60.5mm (W) x 43mm (H) Face surface size (No Panel): 37.3mm ⌀ Depth: 45mm (not including terminal length) Mounting holes (Panel): 4mm (counter sunk) Mounting hole centres (Panel): 48mm Input voltage: 12v - 24vCLICK HERE to view the Sizing Guide.