Features: 1. Dual LCD digital display allows you to maintain the output voltage and battery voltage value at any time. 2. Fault prompt function. In addition to various sound prompts, it can also be displayed more intuitively from the display screen (eg battery undervoltage, battery overvoltage, overload, high working temperature, output short circuit, etc.). 3. The overload delay closing function is added in the product to solve the sensitive problem of inverter protection when the soluble electrical appliance is started. 4. The small power non-professional user market has increased the positive and negative pole reverse protection function. 5. Intelligent temperature control oil sealing fan. When the inverter is working, it can work at a certain temperature, which is more energy-saving and quieter. 6. Digital MCU control, output wave type, more accurate frequency, accurate output voltage, fast response of the protection circuit. in automobiles, steamships, mobile post and telecommunications, public safety, emergencies and other areas. Output voltage: 110V/220V (optional) Output voltage range: 110V 10% / 220V 10% Frequency: 50Hz / 60Hz of 9.5V High voltage protection: with a maximum protection voltage of 15.5V Overload protection: Yes Output short circuit protection: Yes Positive and negative pole reverse connection protection: Yes Output voltage stabilization: Yes Buzzer protection: Yes USB interface: 2.1A x 2 Input terminal connection mode: terminal Output interface: international general socket Product size (mm): 161mm / 6.28in x 112mm / 4.37in x 56mm / 2.18in Package information: Package Size: 187x100x145mm / 7.29 x3.9x5.66in Package weight: 650g / 1.43lb General box package Package included: 1 x inverter1 x crocodile clip1 x cigarette lighter Note: 1.Please allow 1-2mm errors due to manual measurement. 2.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.