Usage Tips:Features:1. Dual LCD digital display allows you to maintain output voltage and battery voltage value at any time.2. Fault prompt function. In addition to the various sound prompts, it can also be displayed more intuitively from the display screen (eg, battery undervoltage, battery overvoltage, overload, high operating temperature, short- output circuit, etc.).3. The overload delay closing function is added in the product to solve the sensitive problem of inverter protection when the soluble electric appliance is started.4. The small-power non-professional user market has increased the positive and negative pole feedback protection function.5. Intelligent temperature control oil seal 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 protection circuit. in cars, steamships, mobile post and telecommunications, public security, emergency and other fields. -12V Output voltage: 110V Output voltage range: 110V 10% / 220V 10% Frequency: 50Hz / 60Hz of 9.5VHigh voltage protection: with a maximum protection voltage of 15.5VOverload protection : YesOutput short circuit protection : YesPositive and negative pole reverse connection protection : YesOutput voltage stabilization : YesBuzzer protection : YesUSB interface : 2.1A x 2Input terminal connection mode : terminalOutput interface : international general socketProduct size (cm) :18.7X10.0X14.7cm Package information:Package Size:187x100x145mm/7.29 x3.9x5.66inPackage Weight: 700g / 1.43lbGeneral Box PackagePackage Included:1 x Power Supply1 x Alligator Clip1 x Cigarette LighterNote: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. era.