1、Using industrial grade main control chip and dual MOS anti backflow circuit, low heat generation and long service life. 2、Provide circuit protection,the solar controller has short circuit protection, open circuit protection, reverse protection, and overload protection. 3、Solar energy controller is easy to install and operate, can clearly indicate the status and data, and can easily switch the mode and parameter configuration. 4、Equipped with LCD, the display is clear, the solar controller is small in size, does not occupy space, and is convenient to carry. 5、If you have any problems in using this PWM charge controller , please contact us in time for processing. 1 x Solar Charge Controller1 x User Manual Item Type: Solar Charge ControllerMaterial: ABSVoltage: 12V,24V Automatic IdentificationRated Charging Current: 10A,20A,30ARated Discharge Current: 10A,20A,30AThe Highest Photovoltaic Voltage: <50VStandby Current: <12mACharging Type: PWMWorking Temperature: Minus20 to +55℃Waterproof Rating: Ip32