1. Adopting an industrial grade heat dissipation structure, flame-retardant material shell, and four button operation 2. Adopting high-efficiency, high-quality, and low internal resistance package MOS transistor drive, stable performance 3. There is battery protection for over discharge, over voltage, and under voltage. 4. With load discharge current "overload" protection. 5. There is a photovoltaic board current "overcharge" protection. Equipped with protection for overall temperature "overheating". It has positive and negative pole "reverse connection" protection. Load output short circuit protection. Practical for lead-acid/colloid/water batteries/lithium iron phosphate/lithium-ion batteries Charging and discharging control parameters can be manually adjusted Use chips for control. There are two USB interface circuits configured (with short circuit protection) LCD display screen with backlight function Colour:As Shown Material:ABS Package Contents: 1 * Solar Controller 12V 60A 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.