Mini Round Dc5v-48v Led Panel Digital Tester Monitor Display Voltmeter. Features: Universal For: Motorbike Car / Boat / ATV / UTV / Camper / Caravans / Travel Trailer Etc. Twist-and-Lock System.Display: 3-bits, LED Digital Tube, Lamp Display is Optional (Red, White, Blue, Green, Orange) . It Works for 5V-48V. Mini Size and Easy to Install,work Great for Checking Voltage. Mounts in a 1-1/8" Hole in Panels Up, 0.25" Thick, a Nylon Retaining Nut Holds the Meter in Place. The State of Your Battery Between Full Charged and Discharged The Meter Has Easy to Read LED Segments and Connect to Your 12 Volt System. Used to Monitor the Storage-battery Voltage, with Reverse Connection Protection Function, Line Will Not Be Burnt. Timely Grasp the State of Battery Voltage, Voltage Measurement Purposes Can Also Be Used for Other Products. Specifications: DIY Supplies: ELECTRICAL Certification: CE Display Type: Digital Only Dimensions: Diameter: 36mm / 1.42 Inches Power Supply: DC Operating Temperature: Standard Accuracy Class: 0.1 Volt Model Number: Voltmeter Waterproof; Flame Retardant Material Measure Voltage: 5 - 48V Diameter: 36mm / 1.42in Interface Type: Anode and Cathode Eco-friendly Material: Plastic Item Color: Black Lamp Display Color: Red, White, Blue, Green, Orange Application: Universal for All Cars, Motorcycles, and Other Universal Models. . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.