Circuit conversion efficiency of up to 98%Better heat dissipation performance with aluminum alloyWith buttons for easy operationProtection class is IP21Various protection functions and system maintenance are availableFunction single-chip, work efficiency of 95%, temperature rise of no more than 75 degrees, the same working voltage and PWM, to do a perfect alternative to PWM, LCD LCD color display, discharge current display light control, time controlColour:black+greenMaterial:ABS+aluminumSize: 18.8 x 24.2 x 6.7cmPackage Contents:1 x Solar ControllerOnly 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.