Easy Adjusting: The adjusting knob can be used to adjust MPPT voltage, output voltage and limiting on the output current, easy. Stable Working: heat dissipation ensures stable working performance under , and efficient and . Better Display: Supports real time control on the MPPT regulating voltage, the boost converter is simple for operation. Practical Uses: Allows for extensive application on solar charging, lithium battery charging, regulated power supply and so on. Easy to Install: Designed to have a size and a light weight as , the installation is simple to finish in minutes. color:As shown Material:pcb Package Contents: 1 x MPPT Module 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.