FCA2-05 Power failure detection with test and auto reset 6 ft cord, 9 volt battery (NOT Included) 115v, piggyback outlet space saving 15 amp plug, 85 to 90 Decibel Buzzer, Outlet saving 15 amp with piggyback Plug, 110 / 120 Volt, Toggle on/off switch, Test button, Mount up to 6 foot from outlet, Easy installation and a 1 year limited warranty. A item to alert you when a circuit has tripped out freezers, heaters, pumps, mid-night power outages, etc Fits standard 110V outlet. Unit has an outlet saving piggyback style plug. Alarms approx 36 + hours on new quality battery