1. Smart double CPU control
2. Low frequency Line interactive design
3. Pure sine wave output THD less than 3%
4. Automatic self-detection on startup
5. Adjustable output voltage
6. Unattended management function
7. Manual silence/alarm transfer function
8. LED display for load and battery rate, Line or battery mode and fault
9. AVR function
10. Provide lightning, surge, and overload and short-circuit protection.
11. Cold start function (DC power on).
12. Auto transfer, the typical transfer time 4Ms.
13. With RS232 and software.