Code Lock Digital Zinc Alloy Code Combination Electronic Code Lock Cam Cabinet Locker Convenient Password Safe Lock -Without Battery-

Speciation: Material: Zinc Alloy Battery: 3V button battery (CR2032) (Not included) Size: 56 x 56 x 50mm / 2.20 x 2.20 x 1.97 inch (appr.)USB key Interface Function: The USB key interface is an emergency power supply. When you need open lock and don't have time to buy a battery, you can plug in the Android charger to connect to the power supply and enter the password to open the lock, but it cannot be plugged in for a long time. The lock does not have the charging function. Package included: 1 x Digital Coded Lock 1 x English manual 1 x Accessory bag (wrench + nut)