High-Security Electronic Safe Locks Supplier in China: Zinc Alloy Electronic Safe Locks, Keypad Unlock, Two User Codes, Low Battery Alert, Memory Function. Main function 1. Keypad unlock. 2. Two user codes (user code, manager code). 3. Wrong Entry Penalty. 4. Automatic Re-lock. 5. Low battery alert. Specialty 1. Memory function. 2. Time delay. Range of product application This product is mainly used in safes, gun cabinets and so on. MAKE locks manufacturer ardently looks forwad to having mutually-beneficial cooperation with you:https://www.makelocks.com