OS8819 Mounted Type Password Entrance Electronical Deadbolt Door Lock, Zinc Alloy Material, with Mechanism Keys

Features 1. In daily life and work, the security of homes and departments, the file files of organizations, financial statements, and the preservation of some personal data are mostly solved by locking. 2. If a traditional mechanical key is used for unlocking, people often need to carry multiple keys, which is extremely inconvenient to use, and the security is greatly reduced when the key is lost. 3. In the field of security technology prevention, electronic code locks with anti-theft alarm function gradually replaced traditional mechanical coded locks. 4. Electronic code lock has the advantages of high safety, low cost, low power consumption, easy operation, etc. Parameters 1. Model: OS8819 2. Unlock way: Password, spare mechanical key 3. The number of users: An administrator password, 20 opening passwords 4. Door opening direction: Both left and right open door locks are suitable 5. Material: Zinc alloy front panel, plastic rear panel, stainless steel latch 6. Latch specification: 60-70mm, American standard inclined latch 7. Power requirements: 4 x AA alkaline batteries 6V (Not included) 8. Low battery remind: 4.8V low voltage alarm 9. Standby current: 15uA-30uA, work current: 200mA 10. Applicable door thickness: 40-55mm 11. Surface treatment: Nickel wire drawing 12. Reverse-lock function: No