iulock Smart Door Knob with Keypad and Key — Keyless Entry, Auto Lock, 50 Codes, Waterproof, Easy Installation

Overview

Meet the iulock Smart Door Knob with Keypad and Key—an elegant, durable way to secure entry without fumbling for keys. The satin nickel finish pairs with a robust, heavy-duty mechanism designed for daily use in homes, offices, or shared spaces. It supports up to 50 unique codes, making it easy to grant access to family, guests, or staff while keeping a clear record of entries.

Key Benefits and Real-Life Scenarios

Beyond convenience, this lock emphasizes practical control. The 50-code capacity offers flexibility for everyday living and temporary access needs. The included mechanical keys provide a familiar backup, while the backlit keypad ensures visibility in dim hallways or at night. The design combines a comfortable rubber grip with ergonomic shaping to reduce grip fatigue during busy entries.

• Customizable access: up to 50 user codes (1-15 digits)
• Back-up keys included for peace of mind
• Backlit keypad for day or night operation
• Silent mode and passage mode options for flexible use
• Long battery life: up to 18 months with four AA batteries; USB-C backup available

In real life, you might unlock the door after a long day with minimal fumbling, feeling the smooth grip and responsive keypad. For households with multiple occupants or service people, codes can be added and removed as needed, reducing the need for physical keys and the risk of lost cards or keys.

Design, Fit, and Installation

The device fits doors from 1-3/8 inches to 2-1/2 inches thick, with an adjustable latch compatible with 2-3/8 or 2-3/4 inch backset. It is designed for simple DIY installation using a screwdriver and works for both left- and right-handed doors.

• Fits most interior and exterior doors
• Detachable silicone grip for easy cleaning and a comfortable feel
• Ambidextrous design for both door orientations

Smart Features, Power, and Security

Power comes from four AAA batteries, delivering up to 18 months of operation with a low-battery alert. If needed, a USB-C backup keeps the system running. A passage mode lets you keep the door unlocked when appropriate.

Durability, Weather, and Support

Crafted from premium metal and plating, the lock meets IP65 weather resistance, tolerating rain, sun, and extreme temperatures from -22F to 176F. It is built to endure demanding environments and is suitable for rooms, garages, or entryways. iulock backs each unit with a long-term warranty and responsive service.