Yichuhaoxi Smart Door Knob with Keypad Keyless Entry Lock for Front Door Matte Black Easy Passage Mode One Time Code Auto Lock Customizable

Enhance your home or office security with this smart door knob featuring a keypad that allows you to enter random digits before or after your 4-digit access code, effectively protecting against code guessing and prying in high-traffic environments and providing peace of mind for your family or tenants.

Easily switch to passage mode without any complicated programming, so you can keep the door unlocked for convenience during deliveries, kids’ playtime, moving days, or gatherings, making it an ideal solution for front doors and frequently used entryways where flexibility is important.

Customize the auto-lock function by setting the door to automatically lock within a range of 2 to 99 seconds, which is perfect for busy families, tenants, or anyone who may forget to lock up, ensuring your home or rental property remains secure at all times without extra effort.

Enjoy keyless entry with the ability to manage up to 20 unique user codes, allowing homeowners, rental hosts, or property managers to assign permanent codes to family members or tenants and generate temporary one-time codes for guests, cleaners, or deliveries with ease.

The user-friendly backlit keypad illuminates in low-light conditions, making it easy to enter your code at night or in dark hallways, and silent mode ensures quiet entry, which is especially helpful for late-night arrivals or maintaining peace in shared living spaces.

Designed for universal compatibility, this digital lock fits standard doors with a 2-1/8 inch hole, supports both 2-3/8 and 2-7/8 inch backsets, and accommodates 1-3/8 to 2 inch door thickness, while the heavy-duty zinc alloy construction is built to withstand over 250,000 use cycles.