1、Light control and delay control, adjustable charge and discharge parameters, with power off memory function. 2、LCD screen and control function, charge and discharge status display, cumulative generation and discharge query, temperature display. 3、Protection function, built in over current, short circuit, open circuit, reverse connection protection, self recovery protection, does not damage the controller, and extends the service life. 4、Terminals have corresponding icons and signs, which are used to connect batteries, solar panels and DC loads. 5、Readable monitor displays parameters of voltage, amperage, temperature, adjustable mode, etc. 1 x Solar Controller1 x Manual Item Type: Intelligent Solar Charge ControllerMaterial: ABSVoltage: 12V/24V Automatic IdentificationNo Load: ≤20mAUSB Output: 5V/1AWorking Temperature: -10℃~+50℃