Belkin PureAV Home Theater Battery Backup with AVR Technology (Discontinued by Manufacturer) Uninterruptible power supply provides up to 40 minutes of battery backup to ensure no loss of settings, memories, and recordings during power outages Proprietary Automatic Voltage Regulation corrects for small voltage fluctuations Surge protection for up to 5,500 joules Eight surge-protected outlets This item is not for sale in Catalina Island