Constructed from heavy gauge steel with durable powder coat finish. Features a lockable 231⁄2"W x 171⁄2"D x 151⁄2"H security cabinet with key, two 24"W x 18"D stationary shelves and one 22"W x 15"D lap top shelf that extends out 13". Height adjusts to 4 sizes: 26", 30", 34", 38", or 42". Cart measures 20" from floor to top of cabinet. Includes ribbed rubber mat for top shelf, 4" non-marring casters (2 locking) and an integrated 20' power cord with 4-outlet surge protector and cord winder. Ready to assemble. Electrical: 1-year warranty; Cart: 12-year warranty.