Features 1Wide 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. 2Multi Protection: Internal overcurrent and short circuit protection open circuit protection and reverse connection protection all self recovery type without damaging the controller. 3Main Control Chip and LCD Display: The solar controller adopts an industrial master control chip. Large LCD display adjustable charging and discharging parameters. 4PWM Charging and Anti Backflow Circuit: Complete three phase PWM charging management. Dual MOS anti backflow circuit ultra low heat value. 5Max Photovoltaic Voltage and Working Temperature: 12V system is less than 25V 24V system is less than 50V. Working environment temperature is 35 to +60. 6Lightweight and Portable: Light in weight easy to carry around will not increase burden can bring you more convenience. Specification Item Type:Solar ControllerMaterial: ABSColor:BlackFaceBlueShellWeight: Approx. 150g / 5.3ozRated Discharge Current: 10AUSB Output: 5V 2A MaxStandby Current: <10mAWorking Environment Temperature: -35 ~ +60Product Size: Approx. 13.5x7x3.4cm / 5.3x2.8x1.3in Package List 1 x Solar Controller1 x Manual