The Oral-B CrossAction Power series of electric toothbrushes are all battery operated, they come in different variety, all differed by the type of brush head that came bundled with the package, but all using the same handle, and driven by an AA battery.
Basically there are there types packages, as different countries may call their own packaging
a) 3D White Cross Action Dual brush heads
b) Anti-Bacterial Cross Action Dual brush heads
They brand the Anti-bacterial as “Pro-Health” in US
c) Anti-Bacterial Cross Action Dual brush heads
They brand the Dual Clean as “Complete” in US
All 3 types of brush heads are compatible with the following CrossAction Power series of electric toothbrushes