Safe to use: built-in overcurrent protection function, open circuit protection, reverse polarity protection, they are self-recovery type, do not hurt the solar panel controller, applied more safely at home, in industry, etc.LCD display: the operation of the solar controller high-definition display system is clear at a glance, and the display timing parameters correspond to the LCD display a by one, which is clear and intuitive; At the same time, one button operation can complete the setting ABS engineering plastic shell: The solar panel charge controller is designed with high strength ABS engineering plastic shell, impact resistance, ignition point high, anti-aging, corrosion resistance and other characteristics, effective service life and safety 30A solar charge controller: This solar battery controller regulator is equipped with an industrial-grade main control chip, with a Full 3-level PWM charge management, dual MOS anti-reverse circuit, ultra-low heat generation, improved system efficiency Widely applied: outdoor solar controller with two USB ports is compatible with 12V/24V systems; The 5V/1A USB port supports charging mobile phone or other 5 voltage devices, which can protect the lithium battery from overcharging and overdischarging, suitable for home, industry, business, etc.Features:Easy and Convenient to Assemble:Our solar panel regulators are easy and convenient to assemble and operate, the whole process is simple and quick, don't need other tools, which will bring a lot of convenience in your daily life.Improve system efficiency:The charge controller has over-extend protection, full charge can improve system efficiency, extend battery life, and keep charging under normal operation ,but also effectively ensure the stability of the system.Features:Material:ABS engineering plastic shell.Color:As picture shownPackage includes:2 x Outdoor Solar ControllersNotes:Manual measurement, please allow slight errors in size.Color may exist slight difference due to different screen display. Note: The data are all manual measurement, please allow 1-3cm error, due to the difference of light and display, there will be some color difference, depending on the physical item received.