Operates via wireless remote controller or on its own Wireless infrared controller works from up to 20 ft (6.1 m) Variable speed, rotation, and vibration combine for 108 total patterns Separate speed and on/off switches Soft, phthalate free material Rotating beads massage as crystals add shi mmer Whisper quiet with a vibrating tickling tail Backed up by a full one-year warranty 9 in x 1.5 in x 2.75 in (23 cm x 4 cm x 7 cm)Battery Info: 4-AA batteries and 2-AAA batteries (not included)