Fangrui Product Details Large Screen Lcd Display, Charge And Discharge Current Display, Cumulative Power Generation And Discharge Power Query, Temperature Display, Light Control Delay Control; Adjustable Charge And Discharge Parameters, With Power-off Memory And Other Functions. Built-in Short Circuit Protection, Open Circuit Protection, Reverse Connection Protection, Overload Protection. Reverse Current Protection, Low Calorific , With Self-recovery Function, Not Damage The Controller. Real-time Display Of Temperature, Charging Current And Discharge Current.high Charging Efficiency, Charging Process Does Not Stop Detection, Two-way Focus Tracking. Color: Black + Blue Material: Plastic Package Contents: 1 X Solar Charge Controller Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.