[MCU LCD Display] Car inverter has the micro-control unit LCD realizes the exchange of human-machine information, and can know the working status of the inverter in real time, including show real time of input voltage, output voltage, output frequency, battery power, load, Power on/off indicator and other information. [Show Battery Power in LCD display] There is a battery Level Bar in the LCD Screen, it can show you the real time power of battery. Green means full power, yellow means half level, and red means low power of your battery, you have to recharge the battery at once. [ Power on/off indicator in LCD display] The symbol show green and mean working normal, show red and faulty, without output. [Multi Protection] Built-in fuses, safe charging design and cooling fan prevents the car power converter from over-heat,saving power and energy.over voltage, overload, over-current, short circuiting, under-voltage, overheating, short circuit protection. [Lightweight design &Top Quality] Lightweight and compact, ideal for vacations, camping and work trips. It can be plugged into almost any 12V power output vehicle, providing charging opportunities anywhere.