This marine bost gauge is specially designed to measure the voltage of the . This item is fully electronic with back , which allows for easy viewing under dark conditions. The measurement ranges from 8-16V. It’s compatible with most 12V marine boats and Yachta. Easy installation, simple wiring and non-destructive. Features - With backligh, numbers and clearly show the voltage and for easy reading in . - Upgrade machine core ensures more accurate and faster measurement results. - Specially used to measure the voltage of the marine boat. Voltage measuring range of 8-16V. High accuracy and easy operation. - 2 inches/ 52 mm in diameter, 12v general type volt gauge and meter, applicable to most 12V marine boats, Yachta. Specifications - Color: Black - Size: 60 x 60 x 65mm - Unit: Volt Measurement - Background : Volt meter - Installation diameter: 52mm/2.0" - Product material: ABS, copper - Measurement range: 8-16V - Applicable environment: 12V voltage motor - Product voltage: 12V - Thread size: NPT3/8 Package list: 1 x Boat gauge