The Pubic Enemy No 1 is our neat and transparent cock cage with e-stim function: He lets you keep a boisterous willy pent up under lock and key so that he can't get stiff until the mistress&#44; or the master&#44; comes with the key and lets him out. With the conducting surfaces&#44; left and right&#44; the prisoner can be treated to your heart's content with tingles&#44; twitches or pulsations in precisely the intensity he deserves. Because his conductive surfaces can be taken out in no time at all&#44; our chastity belt for wayward gentlemen is perfect even for those who haven't yet discovered e-stim. And if a prisoner gets too cocky later&#44; the conductivity can easily be restored. Dimensions: The Cage inner diameter: approximately 1.34 inches (34 mm e) at the mouth&#44; 1.85 inches (47 mm e)&nbsp;at the widest point&#44; length: 3.23 inches (82 mm e); can be increased with the 3 spacers included in the delivery. Each spacer adds approximately .16 inches (4mm e). The Clasp inner diameter is variable in 6 steps from approximately 1.3 inches to 2.05 inches (33 mm to 52 mm). <br /><br />Please note: this is an attachment for the Tension Lover Kit or Pure Vibes Kit. This does not include a power source.