Features 1、Safer Charging: Using 3 level PWM charging algorithm to ensure balanced battery charging and discharging, which can prolong battery service life. 2、Auto Operation: Enables auto recognition on 12V and 24V systems as well as auto adjustment on charging parameter, also has temperature compensation. 3、Working Safety: Able to provide overcharge protection, over discharge protection, overload protection, short circuit protection, etc. for safety. 4、Better Display: The graphic LCD screen enables a better viewing for easier working, while the clear operation panel will bring you more convenience. 5、Easy to Install: Comes with a light weight and a compact size, the simple installation can be quickly completed within several minutes. Specification Item Type: Solar Charge Controller Material: ABS Current: 10A USB Output: 5V 1A Operating Temperature: -25℃ to 55℃ Protection Class: IP30 Package List 1 x Solar Charge Controller 1 x User Manual