UPS 900VA APC BR900MI Rated Capacity : 540 Watts / 900VANominal Input Voltage : 230VBackup : 6 PortThis 900VA UPS has 6 total that provide UPS power backup and surge protection.It features a built-in AVR and a LCD interface with audible alarms.Its runtime at 100 Watts is 42 minutes. Its dimensions are 19 x 9.1 x 31 cm and 7.1 kg.The Back-UPS Pro family offers guaranteed power protection for high-performance computer systems, routers, external storage devices, game consoles, and other home and business electronics.อ่านเพิ่มเติม