The Ultra-Bator features 3 speeds of swirling rotation sensation, AND up and down stroking action, all in one! The inner chamber is texturized with sensation feelers, and 4 windows on the sides that let you see all the action. This state of the art automatic masturbation tool boasts an ergonomic hand held design, and a user friendly control pad, with a constant stroking motion and unique rotation feature that adds a whole new dimension to masturbation. To use, just lube it up and your rod. Then turn on the stroker, select your speed, and let Ultra Bator do all the work!Measurements: 10.5 inches in total length, 3.25 inches in diameter, 2 inches inner diameter.Material:andnbsp;TPE, ABSColor:Note:andnbsp;Requires 4-AA batteries, not included.