🔒✔ These digital electronic security safes are made of heavy duty 2mm solid steel material with 4mm door thickness for extra security 🔒✔ Each features the accessories needed to firmly fix the safe against the wall and all come with the codes and keys needed to get started. In the case of the electronic safes, each can be used with the convenient pin code, while also having key unlocking as a backup in case of forgetting the pin 🔒✔ Can be locked via Digital Code/ Key, there are two keys included but batteries: 4 x AA (not included), it has also feature of time out period: After 3 attempts, lock for Key can be hidden and security code can be set from 3-8 digits using any number from 0-9 🔒✔ Pre-drilled holes behind the safe with included 125px bolts for anchoring, inside tamper-proof hinges, carpet padding on inside bottom and suitable for mounting or placed on an even surface 🔒✔ Dimensions (all sizes are approximate): 4.6L Safe: 17 x 23 x 17 cm, 8.5L Safe: 20 x 31 x 20 cm, 16L Safe: 25 x 35 x 25 cm (Please note; this size has an included shelf inside), 4.6L / 8.5L Package Contents: 2 x Keys 1 x Safe Box 1 x Instruction Manual 2 x mounting anchor bolts, 16L Package Contents: 2 x Keys 1 x Safe Box 1 x Instruction Manual, built-in shelf for two compartments and 4 x mounting anchor bolts