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B4 Smart Fingerprint Bedroom Lock – Compact, Secure, Convenient image 1
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B4 Smart Fingerprint Bedroom Lock – Compact, Secure, Convenient

(0 reviews)
TK 6,999
TK 8,599
🔐 Unlock via fingerprint, PIN, RFID card, or mechanical key 📶 Optional Bluetooth/Wi‑Fi app control for remote locking 🔋 Runs on 4 AA batteries with low-battery alerts & USB backup 🛡️ Sleek compact design ideal for interior bedroom or office doors 📏 Fits standard wooden, steel, or aluminum doors (35–55 mm thick)
Quantity:
1
Status
In Stock
Brand
Generic
Category
Door Lock
Product Code
84139
Delivery & Return
Estimated Delivery
10 June (Same day)
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Specification

Details

audio
beeps & voice prompts
brand
Generic OEM (Tuya-Compatible)
model
B4
power
4× AA batteries + USB-C emergency power
storage
event logs via app
warranty
1 year
weight_g
~900 g
lock_type
knob smart lock
battery_life
approx. 6–12 months
connectivity
optional Bluetooth 4.2 or Wi‑Fi 2.4 GHz
construction
durable metal alloy round knob suitable for interior doors
pin_capacity
up to 100 PIN codes
dimensions_mm
standard round knob (~110 mm diameter)
authentication
fingerprint, PIN/password, RFID/IC card, mechanical key, (optional mobile app via Bluetooth/Wi‑Fi)
operating_temp
0 °C to 40 °C (indoor use)
smart_features
auto-lock, unlock logs, low battery alert, tamper detection, optional remote control
emergency_power
USB-C port
compatible_doors
wood, steel, aluminum
door_thickness_mm
35–55
power_consumption
≤3 W (active)
rfid_card_capacity
up to 100 cards
fingerprint_capacity
up to 100 fingerprints

Description

Secure your private spaces with the B4 Smart Fingerprint Bedroom Lock, specifically designed for interior doors. Compact yet powerful, this lock combines biometric technology, PIN entry, RFID card access, and traditional key backup with optional smart control—all in a sleek, user-friendly package.

🔒 Key Highlights:

  • Multiple Unlock Options: Choose between fingerprint (quick & secure), numeric PIN, RFID card, or mechanical key.

  • Optional Smart Control: Connect via Bluetooth or Wi‑Fi to remotely lock/unlock, share access, and check logs (app required).

  • Compact & Stylish: Designed to fit small and standard interior doors with a minimalist look.

  • Battery-Friendly: Utilizes 4 AA batteries; includes low-battery alerts and USB emergency power when needed.

  • Auto-Lock & Tamper Alerts: Automatically locks after use and sends alerts if tampered.

Perfect for bedrooms, nurseries, study rooms, shared apartments, or any small interior space needing easy and secure access.


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