Smart Door Lock for Glass Sliding Doors - Tuya App Control

The KF6511E Smart Glass Sliding Door Lock is a premium smart access solution designed for modern residential and commercial environments. With full Tuya Smart App integration, Wi-Fi and Bluetooth connectivity, and multiple secure unlocking methods, this lock delivers convenience, control, and dependable performance.

Engineered specifically for glass sliding doors, the KF6511E supports fingerprint recognition, touch keypad, NFC card access, and mobile app control, making it an ideal choice for homes, offices, and short-term rental properties. Its sleek design and advanced security features provide both functionality and a modern aesthetic.

Key Features

• Tuya Smart App Control: Remote access, real-time monitoring, and user management
• Multiple Unlocking Methods: Fingerprint, touch keypad, NFC card, mobile app, and mechanical emergency access
• Wi-Fi & Bluetooth Connectivity: 2.4GHz Wi-Fi support for stable and responsive smart operation
• Capacitive Touch Keypad: 13-key illuminated keypad for intuitive and night-time use
• OLED Display: 0.96" front display for clear status and operational feedback
• Double Hook Locking Mechanism: Provides enhanced security through firm dual-point engagement, specifically designed for sliding doors
• Emergency Power Supply: USB Type-C port for emergency charging access
• Low Power Consumption: Optimised for extended battery life
• Modern Glass Door Design: Clean, contemporary appearance suitable for sliding glass door installations

Technical Specifications

• Model: KF6511E
• Application: Glass sliding doors
• App Support: Tuya Smart
• Network: 2.4G Wi-Fi / Bluetooth

Power Supply

• Main Power: DC 6V (4 × AAA 1.5V alkaline batteries - rechargeable batteries are not suitable)
• Nominal Voltage: DC 7.4V
• Emergency Power: 5V USB Type-C
• Undervoltage Alert: < 6.9V
• Static Current: < 110 A
• Motor Voltage: 8V DC

Interface & Access

• Keypad: Capacitive touch, 13 keys (0-9, x, #, lock key)
• Keypad Backlight: White
• Front Display: 0.96" OLED
• Fingerprint Sensor: Semiconductor fingerprint module
• Card Type: Mifare / NFC
• Card Detection Range: 0-40 mm

Door Compatibility

• Designed for newer-standard aluminium and glass sliding door profiles
• Compatible with older or thicker sliding door profiles, however this may require minor professional modifications for correct installation

Environmental Specifications

• Operating Temperature: 20 C to 60 C
• Operating Humidity: 10% - 90% (non-condensing)
• Storage Temperature: -30 C to 70 C

Antistatic Protection

• Contact Discharge: 8 kV
• Air Discharge: 15 kV

Additional Information

• User needs to overide (Enter new) original master code in order to start entering in Fingerprints and users
• Keep adding finger prints ( following voice prompts and light ) until the lock says successful
• Note an admin and user needs to be added before you can located device on Tuya App
• Important: The arrow on the inside handle should face away from the handle direction when fitted.
• Suitable for residential and commercial applications
• Professional installation recommended
• Internet connection required for remote app functionality
• Double hook locking mechanism ensures enhanced security and reliable locking performance

What's in the box
1 X Double Hook Latch Lock Mechanism
2 X Handles
2 X NFC Cards
2 X Keys
1 X User Manual
1 X Lock Fitment Template