About this item

• - Customer service is available within 24 hours.
• - Contact us with any questions regarding our door locks.
• - A 30-day money back guarantee is provided.
• - Enjoy a 12-month warranty.
• - Lifetime technical support is included.
• 【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
• 【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)
• 【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.
• 【Easy to install】Applicable to left and right doors. Sturdy zinc alloy material smart door lock is designed for US standard doors with back panel size of 2-3/8" (60mm) and 2-1/8" (70mm), door thickness of 1-1/8" to 2"- 1/8" (35mm-55mm)