Product Info Select LED colour from drop down menu Select Mounting from drop down menu Black Housing with Dual LED Display Monitor Device/Accessory Voltage and Amperage Draw (0-10A) in a single unit Black flush mount poly mounting plate for easy installation (if selected) Locking nut included (for mounting without panel) Includes: 1 x Amp + Volt Meter Unit 1 x Flush mount panel (if selected) 1 x Locking ring/nut 2 x Black screws (if panel selected) 3 x Female terminals Description Dual Battery Amp + Volt Meter in 5 different colours. Our 12v Volt + Amp unit is ideally suited to automotive and marine purposes where you want to have an eye on your battery's voltage and amperage draw from a connected accessory. Dustproof and waterproof face allows the gauge to be mounted in a variety of locations in your vehicle. 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. This unit allows you to track your car or caravans battery voltage with the 12 volt gauge, as well as giving a live view of a connected accessories power draw - fridge, water pump, lights etc.. Understanding what amperage the device is drawing allows you to monitor your power consumption and plan your power needs. This Amp meter is commonly used for monitoring fridges and other devices where you want to monitor their power needs at any particular time. Specifications Size Of Cut Out Required for Item: 29mm ⌀Face Surface Size with Panel: 60.5mm (H) x 43mm (W)Face Surface Size without Panel: 36.5mm ⌀Depth: 35mm (Not including terminal length)Mounting Holes: 4mm Counter Sunk (if mounting panel selected)Input Voltage: 0v-30vRating: 0-10ACLICK HERE to view the Sizing Guide.