Stack-On PC-650 Portable Safe with Electronic Lock, Black Electronic lock allows for a 3 to 8 digit combination to be programmed into the case. Includes a backup trouble key Slim line design of the case allows for storage in a briefcase, under the seat of many cars and trucks Meets TSA airline firearm guidelines Body is designed for safe to be secured with steel cable (1500 lb. test), cable included Foam padded bottom protects contents from scratching