Feature：         - Advanced maximum power point tracking (MPPT/PWM) technology, the efficiency is not less than 99.5%. High-quality components improve the system performance, and the maximum conversion efficiency is 98%. Super fast tracking speed and guarantee tracking efficiency.     - 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. - Dual USB output, the maximum current is 2.5A. Equipped with all necessary devices, the control parameters of the system are adjustable, easy to set up and operate. Built-in overheating, overcurrent, short circuit, open circuit , fault elimination, controller automatic recovery. Two-way MOS tube anti-backflow circuit, high-power charging mode, ultra- heat. - Built-in short circuit , open circuit , reverse connection , overload . Reverse current , low calorific , with self-recovery function, will not damage the controller. - Real-time display of temperature, charging current and discharge current. Current autofocus MPPT tracking charging, high charging efficiency, charging process does not stop detection, two-way focus tracking. Specifications: Name: LCD screen solar controller   Voltage: DC 12V / 24V   Display: LCD screen   Self-consumption: