Double entry for twice the orgasm. Vibrator requires 2 AA batteries, not included. Features dual motors. Quik speed. Waterproof vibrations. Body safe RoHs compliant material PVC. Size length 10 inches, insertable length 6.5 inches and 4.25 inches. Diameter 1.5 inches, 1.25 inches. Vibrator requires 2 AA batteries, not included.