[Widely Used]: This Voltmeter Can Monitor Battery Voltage And Keep Abreast Of Battery Voltage Status. If The Voltage Becomes Too High, It Will Flash. It Is Common In Most Dc 12V Vehicles Such As Motorcycles, Cars, Boats, Atvs, Utvs, Rvs, Campers, Travel Trailers And Many More. [High Quality Materials]: Motorcycle Voltmeters Are Made Of Environmentally Friendly, Flame Retardant And High Temperature Resistant Materials, Which Are Waterproof, Durable And Have A High Safety Factor. High Quality Materials Guarantee A Long Life Of The Voltmeter. The Surface Of The Plated Connector Is Bright And Smooth And Has Good Electrical Conductivity. [Led Color Display] The Voltmeter Display Is Designed For Led Color Displays. The Three Color Indicators Show Different Voltage Status, Which Means The Vehicle Battery Status Can Be Clearly Tested And The Safety Can Be Increased. Green Voltage Is Displayed (12.6V - 15V), Yellow Voltage Is (12V - 12.5V) And Red Voltage Is (11.3V - 11.9V). If The Voltage Is Lower Than 12V (Indicated In Red), Please Replace The Battery As Soon As Possible. [Easy To Install]: The Voltmeter Measures 4.1 X 3.7Cm/1.61" X 1.46", About 22 Grams, Small And Exquisite. With The Twist And Lock System, It Is Compact And Easy To Install. Although The Voltmeter Is Easy To Install, Professional Installation Is Highly Recommended. [Premium Voltmeter]: This Led Voltmeter Is Ideal For Voltage Testing. The Product Has Reverse Polarity Protection And Short Circuit Protection. Black Housing, Color Screen And High Quality Voltage Meter Give Your Vehicle A High Quality Appearance. Features: * This Voltmeter Is Used To Monitor The Battery Voltage And To Record The Battery Time. * It Flashes When The Voltage Is Too High. * There Is A Three-Color Led Indicator To Show The Different Stress States. This Can Clearly Check The Condition Of The Vehicle'S Battery And Improve The Safety. * It Is Waterproof And Durable. * With The Twist And Lock System , It Is Mini Size And Easy To Install. * It Universally Fits Most Dc 12V Vehicles Such As Motorcycles, Cars, Boats, Atvs, Utvs, Campers, Trailers, Travel Trailers, Etc. Specifications: