Voted #1 Bunny Arouser! High-intensity vibrating bullet may be used alone, or with the removable dual action bunny teaser. Multi-speed power pack. Unscented TPR (bunny teaser) PP (battery pack) ABS with Silver Plating (bullet). 2 AA batteries. 3.75"x 1"/ 10 cm x 3 cm (bunny). 2"x 1"/ 5 cm x 3 cm (bullet).