Propper Universal Power Pack

PRODUCT DESCRIPTION

Single power source for all uses -- desk, wall or portable power pack. Powers all Propper SIOs and BIOs, including older models. Rechargeable NiCad battery gives (per charge) a minimum of 70 minutes exam time at maximum output -- over 90 minutes for regular use. Lightweight and Compact -- half the size of a personal cassette player. Readily adapts to optional wall bracket for office use. Bracket provides automatic On / Off feature.