1.6″ DC Mini OLED Voltmeter Gauge by Blue Sea Systems. Monitors DC voltage on a bright, waterproof, daylight readable OLED screen. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with in mind. It will meet your needs and deliver great quality at an affordable .. Boating is a great way to relieve stress and leave all your troubles on land. Enjoy your time out on the water even more with this top-notch marine product. Whether you’re practicing your casts, exploring the amazing marine life with a snorkel, or just cruising on the open water for fun, you need to equip your vessel with the finest products to make sure nothing ruins your amazing recreational time. Our can get you covered from bow to stern, because we know exactly what you need to make your boating a breeze. This product will be great for all outdoor enthusiasts who enjoy traffic-free travel and wind in their hair. Made with durable materials, it will ensure a long-lasting performance for many exciting adventures to come.. Features Reverse polarity protected; Mounts in a common 1-1/8″ (29mm) hole; Engineered to high standards; High-grade design delivers extended lifespan; Made with premium materials; Specifications Size: 1.6 in.; Meter: Voltage; Size: 1.6 in.; Nominal Voltage: 12V DC/24V DC; Resolution: 0.01 DC; Accuracy: 1.0%; Input Voltage Range: 8-36V DC; Operating Current: 15mA; Cut Out Dimension: 1-1/8″ in; Weight: 0.2 lbs; .