Big Red Chrono Battery

[extracreative]

Does anyone know what kind of battery the Paintball Radar ( aka the Big Red Chrono ) takes. It has two aligator clips but I'm not sure what size it takes.
By the way this is the Big Red Chrono. Thanks.

[Watcher]

I think they take those big bricks. 6Volts?

[KrazyJ]

yup the 6 volt brick