DK-202-A1 Smart Door Knob Lock

The Smart Door Knob Lock is a modern upgrade to traditional knob locks, combining classic round design with advanced smart technology. Designed for residential and light commercial use, it offers multiple unlocking methods, smooth user interaction, and a breakthrough Bluetooth connection experience—all while maintaining the same low power consumption as conventional smart locks.
Unlike traditional smart locks that require manual touch-panel wake-up to activate Bluetooth, this smart knob lock connects automatically when a smartphone or smartwatch approaches, delivering a noticeably faster and more intuitive unlocking experience.

Key Features 

Multiple Unlocking Methods• Fingerprint Access• PIN Code / Password• RFID Card• Mechanical Key Backup• Smartphone App Control (Tuya / TTLock)
 Flexible access options for family members, guests, and daily use.

Active Tuya Bluetooth Auto-Connection (Key Differentiator)
Traditional smart locks conserve power by forcing users to touch the keypad to wake Bluetooth before unlocking.
This smart door knob lock breaks that limitation:• Smartphone or smartwatch approaches → Bluetooth connects automatically• No touch, no wake-up operation required• Faster unlocking and smoother daily experience• More convenient for hands-full or fast access scenarios
 The difference is instantly noticeable from the first use.

 Smart watch Compatibility• Unlock directly via smartphone or smartwatch• Ideal for active lifestyles and modern smart home users• No need to take out your phone
 Ultra-Low Power Consumption• Powered by 4 × AAA alkaline batteries• Up to 8 months standby time• Power efficiency equal to traditional “wake-up” smart locks• Type-C emergency power supply for backup access
Better experience, same battery life—no compromise.
Classic Knob Design, Smart Inside• Familiar round knob form factor• Easy replacement for traditional door knobs• No major door modification required• Suitable for bedrooms, apartments, offices, and rental properties
Durable Materials & Reliable Performance• Aircraft-grade aluminum + zinc alloy• Smooth tactile finish• Stable operation across a wide temperature range

Application Scenarios

• Residential interior doors• Apartments & rental properties• Offices & meeting rooms• Bedrooms and private spaces• Smart home upgrades

Key Competitive Advantages
No-touch Bluetooth unlocking Smartphone & smartwatch access Same battery life, smoother experienceSimple knob replacement designClear differentiation from traditional smart knob locks
More intuitive. More flexible. More advanced—without higher power consumption.