Interactive UPS, Line Interactive UPS Power 400Va-1500Va KEY FEATURES
Optional function
Line Surge Protection: RJ11/RJ12/RJ45, Communication Interface: RS232
Control mode: CPU controller

Function & Characteristic:
AVR,Overload and short circuit protection
Low battery alarm, LED status display
UPS Auto on when AC back, Night charging(optional)
Built-in Sealed lead acid batteries inside
USB Port is optional
Standby offline Mode
CE certificate, low fault rate and 1 year warranty
Quality is competitive with APC, Santak and Eaton UPS.