Stack - On Portable Safe with Electronic Lock. Security to go! Get this Portable Safe for your briefcase, under the seat of your vehicle and other remote locations. Easily keep a pistol, cell phone and cash under wraps. Electronic lock allows for a 3 to 8-digit combination to be programmed into the case; Backup trouble key included; Slim case design; Foam-padded bottom protects contents from scratching; Meets TSA airline firearm guidelines; Case is designed to be secured with a 1,500-lb. test cable (included). 11 x 8 1/4 x 2 3/8"h. Play it safe, order today! Stack-On Portable Safe with Electronic Lock