**NO INSTRUCTIONS/NO BOX**Fingerprint Door Lock- Smart Door knob,biometric Door Lock?with passcode keypad keyless Entry Door Handle?for Bedroom Home Hotel Office Apartment (Black with APP)

Features

• 【Four-in-one】Fingerprint bedroom door lock: anti-peeping password + fingerprint unlocking + 2 mechanical keys + APP control, 0.2 seconds recognition, door opening within 1 second, 100 fingerprints and 100 passwords can be added
• 【Easy to Install】Suitable for both left and right doors. Bedroom Smart Door Lock is designed to fit U.S. standard doors with back panel sizes of 2-3/8" (60mm) and 2-1/8" (70mm), and door thicknesses from 1-1/8" to 2"- 1/8" (30mm-55mm)
• 【Upgraded Large Fingerprint Sensor】The new 140*140DIP sensor has a 35% larger recognition area than the old 120*120 sensor, making the recognition more accurate and stable.
• 【USB charging】Smart door locks have a low volume alarm and are equipped with USB ports for emergency charging. It requires 4 AAA batteries (not included)
• 【After-sales Support】. Responsive customer service within 24 hours, if you have any questions about our door locks, please contact us for a 30-day money back guarantee, 12-month warranty, and lifetime technical support.