1,Wide Scope of Application: 12V 24V solar controll is applicable to solar power generation system, smart home, solar charger, solar ventilation system, solar light box, solar billboard, solar warning light, etc. 2,Multi Protection: Internal overcurrent and short circuit protection, open circuit protection and reverse connection protection, all self recovery type, without damaging the controller. 3,Main Control Chip and LCD Display: The solar controller adopts an industrial master control chip. Large LCD display, adjustable charging and discharging parameters. 4,PWM Charging and Anti Backflow Circuit: Complete three phase PWM charging management. Dual MOS anti backflow circuit, ultra low heat value. 5,Max Photovoltaic Voltage and Working Temperature: 12V system is less than 25V, 24V system is less than 50V. Working environment temperature is ‑35℃ to and60℃. 6,Lightweight and Portable: Light in weight, easy to carry around, will not increase burden, can bring you more convenience. Item Type: Solar Controller Material: ABS Color: Black Face Blue Shell Weight: Approx. 150g / 5.3oz Rated Discharge Current: 10A Maximum Photovoltaic Voltage: 12V System<25V, 24V System<50V USB Output: 5V 2A Max Standby Current: <10mA Working Environment Temperature: -35℃ - and60℃ Product Size: Approx. 13.5x7x3.4cm / 5.3x2.8x1.3in 1 x Solar Controller 1 x Manual 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.