Fangrui Product Details 1. Green Backlight: Default Green Backlight Help To Use Engine Temp Gauge Meter At Night Or Dim Place. 2. Dual Channel: Thermometer Can Measure 2 Temperatures At The Same Time, The Button Can Switch Freely To Display The Temperature. 3. Temperature Unit: You Can Choose The Temperature Unit According To The Usage Habits And Set The Over Temp Alert Value To Detect Engine Temp. 4. Excellent Perforamnce: Engine Thermometer Gauge With Wear Resistance, Anti Impact, Heat , Ip67 Waterproof, Stable And Reliable. 5. Widely Use: Backlight Lcd Thermometer Can Be Used For Motorcycle, Boat, Atv, Marine, Pit Bike, Snowmobile, Etc. Item Type:engine Temp Gauge Meter Display Screen:lcd+green Backlight Waterproof Grade: Ip65 Temperature Accuracy: 0.1cc Measurement Range: -20+300( Induction Cable: 1m Induction Cable Type: Ul2464 26awg Built-in Battery: Button Battery 1 X Cr2032 100mah With Built-in Battery Delivered Fitment:cars, Motorcycles, Boats, Lawn Mowers, Atvs Colour:black Material:metal+abs Package Conte