3" x 3-3/4" x 7-1/4" pump 110 volt A.C.; 60 hz. U.L. Listed 3-wire hospital grade cord and plug Illuminated on/off switch Quiet, safe and effective 21 body support tubes continually change pressure Heavy-duty embossed finish Tough, long-lasting 16 guage vinyl 36" x 90" (32" x 72" inflated) 5-1/2 foot connector tube