Smart Door Lock with Keypad, 50 User Codes, Waterproof, Auto Lock - Matte Black

The IULOCK IU-30 is the second generation keypad door knob lock, offering a secure, durable, stylish, and flexible design with the perfect size. Featuring a removable silicon gripper for a more snug fit on the handle, this lock can be adapted to a variety of doors, replacing traditional mechanical doorknobs, handle locks, and lever locks.

Auto-lock functionality provides peace of mind by automatically locking the door after 4 seconds of it being opened and offers a programmable auto-lock timer. This keypad door knob has high weather resistance and utilizes special waterproof technology, enabling it to function well in sunny or rainy environments. Additionally, it boasts low power consumption, with AAA alkaline batteries typically lasting for over 18 months and a low battery alarm two months in advance.

The lock is designed for wide temperature use and is tested to operate smoothly from -22F to 176F. It provides access via passcode or key, offering one master code and 50 user codes, with passcodes ranging from 1 to 15 digits in length. Silent mode can be enabled to avoid disturbances from beeping, and it supports passcode protection with the ability to enter random digits before or after the correct access code. The lock also features two passage modes: easy passage mode for easy back to auto-lock and advanced passage for long periods without needing to auto-lock.

When installed on metal doors, the rosette rubber seal protects against rain and dust, while for wooden doors, the lock can be installed more firmly using two small studs on the rosette. It is designed for door thickness of 1-3/8" to 2-1/2" and a backset of 2-3/8" or 2-3/4". An important note emphasizes the ease of installation and the necessity of a master code, which must be modified but cannot be deleted.

This keypad door knob lock is available in a variety of types and colors, including Matte Black and Golden variations. It has received high ratings from customers, with a 4.4 out of 5 stars average. The price ranges from $39.99 to $359.99, varying based on specific options. The lock is equipped with IP65 waterproofing, passes codes of 1-15 digits, and has a knob length of 2-3/4". It weighs 2.3lbs and offers a 2-3/8" or 2-3/4" adjustable latch. It is powered by 4 AAA batteries and includes a USB Type-C backup supply.

In conclusion, the IULOCK IU-30 keypad door knob lock offers keyless entry with a stylish design, premium security, feature-rich smart functionality, and compatibility with most doors. It provides reliable and trusted security, all backed by a long-term warranty and efficient customer service.

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