The Ramrod Pump is a powerful pleasure tool with a vibrating bullet and battery pack conveniently attached for single-handed operation. Just pump up the tube for an incredible erection. Then turn up the vibe for some soothing and stimulating vibrations. When you have had all that you desire, release the pressure with a twist of the purge valve. The Ramrod Pump is made of clear plastic cylinder, flexible black tubing, comfortable black latex and non-tarnashing stee. Uses 2 AA batteries (not included).