1. Unique front and back double soft start technology inverter 2. Core of CUP and the pulse width control technology of SPWM inverter. 3. Special constant power technology. 4. Technology Of prevent the reverse Diode 5. inverter With USB charge interface 6. Quarantine of front and back level 7. Perfect powerful fault protection function (including the overload protection, over current protection, high temperature protection, short circuit protection, the battery reverse connect protection, and it is also equipped with inbuilt fuse) 8.inverter Battery protective function (Battery over-voltage under-voltage protection, overvoltage, under voltage recovery and related function) 9. Shock-protect function 10. AC pure sine wave inverter output has no effect on the use lifetime of equipment 11.This inverter with Aluminum shell, surface of sandblasting anodic oxidation treatment, high hardness and prefect shape.