Product Info Dual Battery Voltage Meter Panel Black Housing with Blue LED Displays Monitor Battery Voltage in a wide variety of applications Monitor your car battery voltage with the dual voltage gauge. Includes Black Flush Mount Poly Mounting Plate for easy installation Includes: 2 x Volt Meter 1 x 2 Gang Round Panel 4 x Female Spade Terminal Connectors 4 x Black Screws Description Our 12v Battery Monitor is ideally suited to automotive and marine purposes where you want to have an eye on your battery's condition. Dustproof and waterproof face allows the battery 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. Matched up with out dual mounting panel, the voltage gauge 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 dual battery volt meter, this voltage gauge works perfectly in many scenarios. Specifications Input voltage: 12v-24v Size of cut out required for item: 29mm ⌀ (each display) Panel size: 105.5mm (W )x 43mm (H) Depth: 15.5mm (Not including terminal length) Mounting holes: 4mm (countersunk) Mounting hole centres: 87.5mm (W) x 24.5mm (H)CLICK HERE to view the Sizing Guide.