Description: Stainless steel processing, anti-corrosion, durable for use. Can be opened from inside and outside, suit for left/right hand doors. Lock the door without noise. Can work with video door phone doorbell access control system or be used independently. Even if no power is available. Can automatically lock the door when it detects the door is closed. It will retract lock latch when the door is not closed properly and warn user to lock door again. Delay locking, the locking time is adjustable. Specification: Material: Metal Size: Main Lock: 127x96x40mm/5x3.78x1.57 inches; Lock Latch: 95x60x34cm/3.54x2.36x1.34 inches Package Includes: 1 Set Lock with Screws 3 Pieces Keys 1 Piece User Maunal
