Smart Locks & Video Doorbells in Bangladesh — Biometric, Fingerprint & Wi-Fi Door Locks

Smart locks have moved from luxury to mainstream in Bangladesh in the past three years. Apartment buyers in Bashundhara, Mirpur DOHS, and Banani specify them in the original fit-out brief. Office tenants in Gulshan and Motijheel retrofit them when they take possession. Service apartments and Airbnb hosts across Dhaka rely on them to issue and revoke access codes remotely without handing physical keys to guests. CSL Systems is one of the largest stockists of smart locks and video doorbells in Bangladesh, with full warranty support and certified installation teams.

Smart lock product range stocked in Dhaka:

ZKTeco smart locks — ML300, ML10D, TL400B, and the premium 3D face-recognition TL400Z. Fingerprint + RFID + PIN + Bluetooth + Wi-Fi (with bridge). Mortise body designs compatible with standard Bangladesh wooden and steel doors. Pricing ৳12,000–৳35,000. The ZKTeco ML10D at ৳18,000–৳22,000 is our best-selling residential model.

Hikvision smart locks — DS-K1T343 series with built-in face recognition, integrating directly with Hik-Connect alongside CCTV cameras for a single-app household. ৳28,000–৳45,000.

Dahua smart locks — DHI-ASL8112S, ASL7000 series. Integrates with Dahua DMSS app for households already on Dahua CCTV. ৳22,000–৳38,000.

Imported premium models — Samsung SHP-DP750, Yale YDM7116A, Philips DDL702. ৳45,000–৳95,000. We import on order for clients who specifically request these brands.

Door type compatibility — we stock locks for standard wooden doors (most apartments), composite/HDF doors, steel security doors, and glass doors (drop-bolt + electromagnetic combo). Critical: many Bangladesh interior doors use non-standard mortise pocket dimensions. CSL pre-verifies door dimensions during site survey to avoid the common “lock arrived, door pocket is wrong size” problem.

Video doorbells stocked:

Hikvision video doorbells — DS-HD2 (Wi-Fi), DS-KIS603-P (PoE wired with indoor monitor), and the IP-based DS-KH9510-WTE1 villa intercom. Wi-Fi units ৳8,500–৳14,000; wired villa kits with indoor monitor ৳22,000–৳45,000.

Dahua video doorbells — DB11 series Wi-Fi units and the VTO/VTH wired villa intercom range used in townhouse and detached-home installations. Integrates with DMSS app.

Ezviz video doorbells — DB1, DB2 Pro, HP7 wireless doorbell + chime kits. ৳7,500–৳13,500. The best entry-tier doorbell for Bangladesh apartments with existing wired doorbell power.

Use cases driving demand in Bangladesh:

Service apartments and short-term rentals — host issues a unique 4–6 digit PIN to each guest via the smart lock app, valid for the stay duration only, auto-expires at checkout. No physical key handover required. Cleaners get a separate scheduled code.

Family apartments — fingerprint enrollment for each family member, RFID cards for domestic help (revocable instantly if needed), PIN for visitors and trades, mobile app unlock when arms are full of groceries, auto-lock behind you.

Offices — face recognition smart locks (Hikvision DS-K1T343, ZKTeco TL400Z) at the main entry, with attendance logging tied to office HR. Same hardware, dual purpose.

Villa and duplex homes — wired video doorbell at the gate, indoor monitor in the living room and master bedroom, two-way audio, snapshot to phone when not home.

Why CSL Systems for smart locks in Bangladesh: We sell only models with valid Bangladesh warranty (1–2 years depending on brand) serviced from our Dhaka office. A smart lock with a dead battery and a non-responsive Chinese seller is a worst-case scenario — locked out of your own apartment with no recourse. CSL keeps replacement boards, motors, and battery packs in Dhaka stock and offers same-day emergency unlock support for clients in metro Dhaka.

Installation is included in our pricing for Dhaka deliveries. The installation team verifies door alignment (a misaligned door defeats even the best smart lock), correct mortise depth, weatherproofing for external installations, and Wi-Fi signal strength at the lock location. We enroll fingerprints, generate the initial admin and user accounts, install the mobile app, and walk the customer through PIN issuance, master code reset, and battery low-warning procedures.

Mechanical key override is included on every model we sell — if everything electronic fails, you still have a physical key option. This is non-negotiable for Bangladesh installations where power and network reliability cannot be assumed.

Call 01972277100 for a free site visit, door compatibility check, and same-day quotation on smart locks and video doorbells anywhere in Dhaka.

Frequently Asked Questions

How much does a smart lock cost in Bangladesh installed?
A ZKTeco ML10D (fingerprint + RFID + PIN + Bluetooth) — Bangladesh’s best-selling residential smart lock — costs ৳18,000–৳22,000 installed at CSL Systems for a Dhaka apartment. Wi-Fi enabled models with mobile app control run ৳25,000–৳35,000. Premium face-recognition smart locks (Hikvision DS-K1T343, ZKTeco TL400Z) range ৳35,000–৳55,000 installed.

Will a smart lock fit on my existing Bangladesh apartment door?
Most standard Bangladesh wooden, composite, and steel apartment doors accept smart locks with no modification beyond the standard mortise pocket. CSL Systems conducts a free pre-installation site visit to verify door thickness (35–60mm typical), pocket dimensions, and handle clearance.

What happens to my smart lock if the battery dies or power goes out?
Smart locks run on internal batteries (typically 4–8× AA batteries lasting 8–18 months) — wall power outages do not affect them. Battery low warnings appear in the app and on the lock 30–60 days before depletion. Every smart lock CSL Systems sells includes a mechanical key override and a 9V external battery contact point for instant power if all internal batteries die.

Can I issue temporary PIN codes for guests or domestic help?
Yes. All Wi-Fi enabled smart locks (ZKTeco, Hikvision, Dahua, Yale) support time-limited PIN codes — one-time use, valid for a date range, valid for recurring weekly schedules, or permanent until revoked. Codes are issued and managed entirely from the mobile app.