Smart Door Lock, Smart Lock Digital Door Lock Intelligent Door Lock Electronic Anti-theft Mechanical Security System with 4 Remote Controllers for Hom

【Special Features】 -- Smart lock, low voltage lock protection function and alarm sound prompt function: When the battery voltage drops and power is consumed, the remote controller cannot lock the door (the remote controller cannot lock and cannot generate four alarm sounds), but the remote controller can unlock normally. It is necessary to replace the backup battery in time.

【Remote Control System】 -- Remote control with digital communication system. Cannot be decoded or duplicated. Induction lock: After unlocking with the remote control and closing the door, it will lock after 3 seconds. (Not closed, not locked.)

【Special Material Build】 -- Long lifespan, 300,000 lock operations, no wear and tear. Rustproof battery box, spring is made of special material that is durable during use. The lock tongue and main parts are made of stainless steel and will not fade. Power saving control mode, low power consumption, can operate for about 1 year with 4 * AA batteries.

【Perfect Design】 -- This intelligent door lock can be easily installed without plugging. Beautiful appearance and arc design, the lock body is relatively thin. Easy and secure installation with external mounting plate.

【Mechanical Smart Lock】 -- Door lock, remote control unlock, explosion-proof lock, mechanical unlock. Innovative unlock and lock prompt tone.