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.
Buy Genuine from DigiMark Solution
DigiMark Solution has been Bangladesh's authorized ZKTeco distributor. Every ZKTeco AL40B Deadbolt Smart Lock with Fingerprint, Mifare Card & Bluetooth App is 100% genuine with original firmware and official manufacturer warranty, backed by trained engineers for installation, configuration and RMA support nationwide. Bulk and corporate orders are welcome.
100% Original Firmware Official Manufacturer Warranty Expert Technical Support
