Products Package Includes: 1 × 20A Solar Charge Controller, 1 x User Manual, 2 x DC Cables. Intelligent and easy to use, the 20A 12V/24V MPPT Auto Switch DC USB Output LCD Solar Panel Battery Regulator Charge Controller is a perfect companion for solar charger. It offers DC 12V and USB 5V output for DC lamp or cellphone charging. Controlling parameters are adjustable to suit your needs. And it is built with LCD display that shows current charging or discharging status. What’s more, this solar charge controller has full protection against overload, short circuit, lightning, overcharging and reverse polarity. Don’t hesitate to get one now! Fully automatic operation, easy to use. Only need to press one button to open or close the load, or restore factory settings. Microcontroller digital accuracy, MPPT charging mode (SOC). DC 12V and USB 5V output for DC lamp or cellphone charging. Controlling parameters are adjustable to suit your needs. LCD display lets you know current charging or discharging status. Temperature compensation (with external temperature sensor). Full protection against overload, short circuit, lightning, overcharging and reverse polarity.