Use LCD to display all parameters, rich content, intuitive understanding of system operation; Built-in energy-saving backlight, better display effect, more power saving,<br> With switching power supply regulated output DC12V and USB5V output, can be used for DC lighting and mobile phone charging; With output switch, intelligent control, easy operation;<br> The system power supply uses switching power supply, which reduces the static working current; temperature detection circuit, with high-precision temperature compensation;<br> Exposed terminal, wiring is more convenient, and series has a large metal shell; Use single-chip control to make the controller intelligent, adaptable, and reliable;<br> Use WPC control based on PWM upgrade to greatly improve system efficiency and extend battery life;<br> Protection function<br> 1. Overload protection<br> 2. Short circuit protection<br> 3. Rupture protection<br> 4. Undervoltage protection<br> 5. Overcharge protection<br> 6. Reverse connection protection<br> Due to different For batches, there may be differences in product appearance, color, and printed text, which will not affect the use.<br> Specifications: 20A<br> Colour:Black<br> Material:Plastic<br> Package Contents:<br> 1x Solar Charge Controller<br> Only the above package content, other products are not included.<br> 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.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin