Smart Knob Door Lock - WiFi APP Remote Control, Digital Passcode, IC Card & Emergency Key,Black

Upgrade your traditional hardware to the next level of keyless entry with the Smart Electronic Knob Lock. Specifically designed to replace standard spherical locks or three-bar mechanical setups without the need for drilling new holes, this smart cylinder knob is the ultimate retrofit solution for residential areas, apartments, offices, and study rooms. It features native Tuya WiFi App connectivity, giving you full control over user data, passcode settings, and historical unlocking logs straight from your smartphone. Offering an impressive 5-in-1 entry ecosystem, it allows access via a responsive biometric fingerprint scanner positioned right at the thumb's reach, a backlit digital keypad, IC proximity cards, smartphone remote unlocking, and a concealed traditional mechanical key cylinder for absolute peace of mind. Operating seamlessly on a 4.5V-6V power setup, it supports up to 50 unique fingerprints and 200 custom passcode combinations. For highly active environments, a quick-toggle Always-On mode suspends the auto-locking function during office meetings or family gatherings. Even if the batteries completely drain, you can quickly jump-start the system using an external power bank plugged into the integrated Type-C emergency power terminal at the front base.

PRODUCT FEATURES

• Supports quick entry using the Tuya WiFi App, advanced biometric fingerprints, digital passcodes, secure IC card scanning, or physical backup mechanical keys.
• Integrates directly with the Tuya Smart ecosystem for centralized management, tracking lock status, reviewing entry logs, and managing permissions instantly.
• Explicitly engineered to replace old spherical or three-bar mechanical locks effortlessly, lining up perfectly with existing 40mm center-distance latch holes.
• Provides comprehensive user storage accommodating up to 50 distinct biometric fingerprints and up to 200 secure digital passcodes for large households or office spaces.
• Built with an ergonomic grip featuring a fine cross-hatched metal knurling texture on the handle to prevent hand slippage while offering a premium look.
• Features a customizable "Normally Open" setting that allows unrestricted traffic without requiring authentication during office meetings or social gatherings.
• Cleverly conceals a physical keyway underneath the handle to ensure absolute emergency access if the internal electronic system experiences power loss.
• Equipped with a bottom-mounted Type-C backup power supply port, letting you instantly jump-start the panel using an everyday mobile power bank.
• Incorporates an elegant circular digital interface surrounded by vibrant blue LED indicator lights for precise passcode entry even in pitch-black corridors.
• Designed perfectly to blend into modern interior decors, making it a stellar security choice for residential bedrooms, rental apartments, and commercial office rooms.
• aluminum alloy
• Wipe Clean
• Imported

Circuit Terra Inc
6208 Lehman Dr, Colorado Springs, CO 80918
support@circuitterra.com

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