Vibratex Thunder Cloud Vibrator has a unique design as the result of centuries-old Japanese tradition of exploring sensual delights. The shaft's useable length is 5". The diameter of the head is 2Â¼ while the textured shaft is 2". The shaft flashes in different colors while in use. The vibrating clitoral stimulator adds yet another dimension to this one-of-a-kind experience. There are separate multi-speed power slides for the shaft and clitoral stimulator. Vibratex Deluxe Vibrators' beautiful designs and the superior, long-lasting, quiet motors make them the favorite choice for the quality-conscious. Requires three AA size batteries, not included. This Thunder Cloud is absolutely spectacular!