Don't let the size fool you! Awesome power. 4 amazing speeds. LED lights. Whisper quiet. Sensual warming effect. EZ push button control. Fully adjustable, jelly coted clamps. PVC (nipple pads) Aluminum (clamps) ABS (controller and stimulator). 2 AAA batteries. 1"/ 3 cm (clamp). 3.6"/ 9 cm (bullet and clamp).