Superguide: CyberPower PFCLCD UPS Mini-Towers protect your home's computers and entertainment

Read more/comment at: http://TinkerTry.com/superguide-cyber... You can mute any of these PFCLCD models by merely pressing and holding the "Silence Alarm" button for 3 seconds. It then confirms, on the LCD display, that it's disabled. So very suitable for residential.