HD Waterproof 52mm Digital Hourmeters LCD Display Hour Meters Clock Gauge For Marine Boat Motorcycle Car Gauges 8 colors Backlit Specification: * Material:stainless steel 316L+anti-fog glass * Install diameter:52mm or 2-1/16 * Indication range:0~99999.9H * Connection method:row insert * Working voltage:9-32VDC * Input signal:NO * Working current::60mA * Operating temperature:-30~+75 * Storage temperature:-40~+85 Feature: [1] IP67 waterproof and dustproof [2] Fantastic Waterproof Funciton: This Product can work in the water. [3] The front cover of the instrument is made of stainless steel 316L. [4] The whole series adopts ultra-wide working voltage design, long-term working voltage: 9-32V, up to: 36V <1 minute [5] Products can be used in engines, generator sets, ships, construction machinery, agricultural machinery, automotive conversion and other fields [6] 7 color Backlight : redgreenbluewhiteyelloworangepurple, totally 7 kinds different backlight color, it will change automatically every 1 minute.You can fix only one color you like by pressing the gauge back set"button Package Included(as picture): 1 x Hour meter 1 x Wiring harness 1 x Instruction manual Backlight Color Adjustment: 1)Press the Set button (less than 1 second) to change the backlight color: Backlight changed in sequence: red (default) green blue white yellow orange Purple (automatic). 2) Automatic: As the gauges was set with the automatic, the backlight will be off for 2 seconds then lighten up, and will switch the backlight color as above sequence.