Description
The ZKTeco AL20B smart door lock is a multi‑function lever lock that upgrades traditional doors with secure, keyless access. It combines biometric fingerprint recognition, PIN code entry, RFID card access, and Bluetooth app unlocking in one compact device, making it suitable for residential and light commercial use.
CSL Systems has been Bangladesh's authorized ZKTeco distributor. Every ZKTeco AL20B Smart Door Lock with Fingerprint, Keypad, RFID & 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.
Specifications
| Attribute / Feature | Specification Details |
| Material | Zinc Alloy |
| Mortise Type | American mortise (AL20B), German mortise (AL20DB) |
| Door Thickness | 30-54mm (standard) |
| User Capacity | 100 |
| Password Capacity | 100 |
| Fingerprint Capacity | 100 |
| Wireless Module | BLE4.0 |
| Power Supply | 4×AA Alkaline battery (NOT supplied) |
| Dimensions | Back: 73*179*27mm (w*l*d), Front: 73*179*37mm (w*l*d) |
🏢 About CSL Systems
CSL Systems is Bangladesh's one-stop security, attendance, and smart business solutions company, providing trusted solutions from leading brands including Hikvision, Dahua, ZKTeco, and Uniview.
We also develop our own AttendPro Attendance & Payroll Management Software and Smart POS Management Systems, delivering complete technology solutions for modern business operations.
→ Explore our complete Attendance & Payroll Management System
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