1. liquid crystal display(LCD Display) 2. CPU control,Automatic precision voltage regulation 3. Function of battery zero startup 4. Third local voltage regulation 5. (145V~275V): Wide local current input range(145-275V) 6. Suggested when AC overload 7. over&low-voltage,surge,short-circuit,overload protection 8. Automatic charge when shutdown 9. Equipped with RS232 interface 10. Available as regulator when turnoff 11. (≤30W): Option available for no load of turnoff(≤30W) 12. back-up time:10-15 minutes