Box application: For indoor and outdoor use; portable safe is ideal for travel, campus or office use; ideal used to temporarily secure small electronic devices, passports, cash and credit cards Ease of use: Resettable four dial combination for keyless convenience; integrated cable to secure the lock box to a ground object Recommend to lubricate the locking mechanism for ease of use Durable design: Portable safe is constructed to be water-resistant; shock absorbing foam lines the interior and includes ear bud/charging cable access port to listen to music or charge devices Specifications: Exterior dimensions: 6 cm H x 24 cm W x 12.9 cm D, interior dimensions: 3.5 cm H x 21.5 cm W x 8.9 cm D; interior volume : 0.7 L; cable length: 50 cm Limited lifetime warranty, Weight: 1.33820593034 pounds, Manufacturer: Master Lock