Tenive Electronic Digital 1.8 Cubic Feet Large Steel Security Safe Gun Jewelry Cash Home Office Hotel Safe Box Built in solid, pry-resistant steel to protect from scratching and damaging Equipped with an electronic lock and 2 emergency override keys Reprogrammable digital access from 3 to 8; Four bolts included to mount to wall, floor or shelf 2 removable shelves make up 3 compatment for more space to store; 2 live action bolts ensure extra safety Exterior size: 19.7" x 13.8" x 14.2"(H x W x D); Interior dimension is 19.4" x 13.5" x 11.8"(H x W x D) and door is approximately 4 mm thick