OPTI-UPS DS1500B (1500VA/1050W) Online Double Conversion Sinewave UPS 6 Outlets Topology: sinewave on-line, double conversion, single phase (2W+G) Capacity: 1500va / 1050w Input 80-144vac / output: 100/110/120v (50/60hz auto sensing) Output voltage regulation: +/- 2% Zero transfer time (online) Smart fan speed control Saves more power and minimizes noise 4 hours recharge time EPO port ready: emergency power off switch SNMP card slot available Hot swappable / replaceable battery RS232 and USB port Full version of OPTI-SAFE software