ZKTeco AL40B Deadbolt Smart Lock with Fingerprint, Mifare Card & Bluetooth App​

ZKTeco AL40B Smart Deadbolt – Fingerprint, Mifare Card, PIN & Bluetooth App Lock​

The ZKTeco AL40B is a deadbolt smart lock designed to upgrade traditional doors with secure, keyless access using biometrics, cards, codes, and Bluetooth connectivity. It is ideal for residential doors and small offices that require a robust deadbolt plus the convenience of mobile app control.​

Design & construction

• Zinc‑alloy housing for durability and a modern appearance on wooden or metal doors.​
• American deadbolt mortise providing strong mechanical locking for better door security.​
• Front size 77 × 199 × 43 mm and back size 77 × 199 × 52 mm, compatible with 35–53 mm door thickness.​

Access methods

• Fingerprint sensor with fast verification, optimised for dry and rough fingers.​
• Mifare card reader for contactless card unlocking.​
• PIN code access with a random password feature that lets users enter extra digits to prevent others from guessing the real code.​
• Bluetooth BLE 4.0 connection to the ZK Smartkey mobile app for smartphone unlocking and management.​

Smart functions & usability

• Lock‑out mode disables all normal users except the administrator when higher security is required.​
• Voice guide available in English, Spanish, and Portuguese to assist during setup and daily use.​
• Volume adjustment with high, low, and silent options to fit different environments.​
• Supports up to 100 users (fingerprints/cards/codes combined), suitable for families, tenants, or staff.​

Power & environment

• Powered by 4 × AA alkaline batteries (not included), with an estimated battery life of about 5,300 operations.​
• Operating temperature ranges from −20°C to 55°C, making it suitable for various indoor and semi‑outdoor installations depending on door and exposure conditions.​

Typical applications

• Home front doors and apartment entries that need a secure smart deadbolt.
• Small offices, studios, or internal doors requiring controlled access via fingerprints and cards.​