The Waterproof Narrow Stile Biometric Smart Door Lock (A9 / B8 Series) is engineered specifically for architectural exterior and interior narrow-profile doors, including thermal break aluminum doors, sliding glass patio systems, casement doors, and commercial framed storefronts. Built with an ultra-slim escutcheon that easily fits narrow 30mm–45mm stiles where conventional smart locks cannot mount, this electronic lock combines high-accuracy semiconductor fingerprint recognition, a backlit touchscreen keypad, RFID card induction, and smartphone app control. Fully sealed for all-weather outdoor resilience, it delivers rugged security and refined aesthetics for residential terraces, coastal villas, and modern commercial offices.

Key Features

• Ultra-Slim Narrow Stile Profile: Specialized slimline escutcheon engineered specifically for narrow frame profiles, aluminum extrusions, and sliding patio doors without obstructing glass panels.
• High-Precision Biometric Fingerprint Sensor: Advanced semiconductor capacitive fingerprint scanner delivers rapid, reliable recognition in under 0.5 seconds, even with dry or lightly aged fingers.
• Multi-Factor Keyless Access: Supports 5 flexible access modes: biometric fingerprint, backlit touchscreen passcode, encrypted RFID / IC smart keycard, mobile app control, and mechanical emergency backup keys.
• Anti-Peep Virtual PIN Technology: Allows users to input random decoy digits before or after their genuine passcode to prevent unauthorized spectators from capturing the code.
• All-Weather Outdoor Durability: Engineered with moisture-proof, sun-resistant, and corrosion-resistant seals (-20°C to 60°C) designed to withstand direct outdoor sunlight and harsh weather exposure.
• Tuya / TTLock Smart App Connectivity: Enables property owners and managers to issue one-time dynamic visitor passcodes, configure scheduled access permissions, and track real-time unlock audit logs.
• High-Security Class C Mortise & Cylinder: Stainless steel narrow mortise lock body with anti-saw deadbolt paired with a drill-resistant Class C mechanical cylinder for dependable physical defense.
• Emergency USB Backup Port: Concealed external USB power jump interface allows instant power connection via standard power bank if the internal batteries are completely exhausted.

Technical Specifications

• Housing Material: High-density zinc alloy and 304 stainless steel with tempered acrylic touchscreen
• Model Variations: B8 (architectural square-corner profile) / A9 (ergonomic rounded-corner profile)
• Available Finishes: Anodized Matte Black / Brushed Silver
• Biometric Fingerprint Capacity: Up to 100 fingerprints (False Acceptance Rate FAR < 0.001%, FRR < 0.01%)
• User Capacity: 100 Passcodes and 100 RFID Cards
• Compatible Door Profiles: Thermal break aluminum doors, narrow frame glass doors, sliding doors, swing doors, and composite security doors
• Door Thickness Compatibility: 35 mm to 65 mm (1-3/8" to 2-9/16"); customizable for thicker commercial profiles
• Power Supply: 4 x 1.5V AAA alkaline batteries (up to 10–12 months battery life based on 10 accesses/day)
• Emergency Backup Power: External 5V emergency USB power port
• Operating Environment: -20°C to 60°C (-4°F to 140°F); 10% to 90% RH non-condensing

Wholesale & OEM Capabilities

• Factory-Direct Production: Strict quality control, endurance cycle testing (tested over 200,000 actuations), and 48-hour salt-spray corrosion resistance validation.
• OEM & Customization Services: Custom laser-etched branding logos, personalized RFID cards, custom mortise backset configurations (e.g. 2885, 3585, 4585, 5085, 6085), and customized distributor retail packaging.
• Standard B2B Package Contents: Front and rear narrow smart lock escutcheons, narrow mortise lock body (optional based on selection), 2 RFID cards, 2 mechanical backup keys, strike plate, spindle, mounting screw kit, and installation drilling template.