1. Pure sinewave output, can be used withdifferent domestic appliance like TV, refrogerator, fan, air conditioner. Cooker, mirco-wave oven, etc. 2. Superior performance from CPU control technology. 3. Wide range of input voltage, accruate output, AVR function. 4. Inner-equipped protection for over-load, short-circuit, over-voltage, low-voltage, over-heating, etc. 5. Easy to check with inverter with consice LED indication that can be upgrade to LCD. 6. Generator compatibly and external battery connection achievable. 7. Intelligent battery management with protection against over-charged and over-discharged etc. .