Impulse™ Light Mystic Jewel™ has 10 independent speeds of shaft rotation plus 5 HyperSonic functions, from which 10 independent levels of speed and 4 functions of escalation with progressive patterns of acceleration. Strategically positioned metal rotating beads and lighted clitoral arouser for the ultimate in sexual pleasure. Glowing in the dark, ultra-sensitive control pads with LED indicator. Impulse Light Mystic Jewel is pleasantly scented. 5" insertable to the 3" clit stimulator. Shaft measures 1 1/2" wide. 4 AA batteries, not included.