The Compuvideo CV-9000P(RM) Master Sync A/V Generator (PAL) is a precision professional A/V generator that offers user-friendly direct-function smart front panel control with last settings memory and auto power back-up. This unit can be used in rack mount, desktop and/or handheld configurations. Powered by AC/DC power and/or internal 9V batteries, this generator has 10 hours of average operation and low-battery indication.