AST 4 In 1 Keyless Smart Door Knob With Keypad & App Control (Zinc

[Easy Installation]: Suitable for common cut-out of office door lock, smart door locks for front door, keyless entry door lock, bedroom door lock, apartment door lock, hotel room door locks, room door lock with code, pantry door lock, and garage door lock. [Robust Design]: Main parts of the digital lock are set made of high strength Zinc alloy and security latch bolt made of Stainless steel, net weight of this lockset is more than 2.85 lbs. Smart Lock For Bedroom Door AST 4 In 1 Keyless Smart Door Knob With Keypad & App Control (Zinc Finger Print Lock For Door Integration of Biometric Door Knob Technology and Mechanical Door Knob Lock [Quality Service]: Worry-free return policy (30 days) and prompt technical support by email, welcome to approach us for any problem during the use of this automatic door lock. Auto Lock and Easy APP without Additional Charge Interior snib design is good for door knob child proof. IP54 waterproof design to this digital door knobs is applied for better reliability as outdoor lock. Recessed Set Button with Both Convenience and Safety Good for Bedroom Door Lock and Entry Door Lock About this item [High Convenience]: The door knob with touch screen keypad is integration of convenience and security of keyless entry door lock with handle by 4-in-1 locking doorknob , including thumbprint (18 users), password (20 sets of pa Innovative Design with Traditional Thumb Turn on Interior Knob for Baby Proof and Pet Proofing