ML300 Smart Lock


Availability: In Stock
  • Compatible with Amazon Echo or Google Nest device
  • Bluetooth communication
  • Easy to install
  • Remote Management
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The ML300 smart lock is a new entry-level fingerprint keypad smart lock that communicates via Bluetooth. With its compact design and smart core, it provides an exceptional user experience in all aspects. It’s super simple to install directly on the existing lever or knob of a single-hole door and finish the lock’s setup in minutes with just a few processes.

The optional Bluetooth Gateway enables you to remotely unlock the door lock, view the log history, and share the temporary or dynamic passcode via the ZSmart App. More importantly, when paired with a compatible Amazon Echo or Google Nest device, you can unlock the lock with voice commands.

ML300 smart lock is an excellent choice for private homes, junior apartments, and short-term rentals; it creates a more straightforward, smarter, and efficient environment.



01. Case Material

Zinc Alloy (Level & Front Panel) + ABS (Back Shell)

02. Identification Mode

Smart Phone and Passcode

03. User Capacity


03. User Capacity


04. Passcode Capacity


05. Remote Access

Bluetooth Gateway Required

06. Voice Control

Amazon Alexa, Google Assistant

07. Power Supply

4×AA Alkaline Battery (not included)

08. Backup Power Interface

Micro-USB Port Supported

09. Battery Life

Up to 1.5 years (about 12,000 access)

10. Door Thickness

30 – 60mm (standard)

11. Back Set

Adjustable 60 or 70 mm (only for single latch)

12. Dimensions

Front – 75 * 138 * 23 (mm) Back – 75 * 150 * 27 (mm)

13. Color Options

Silver / Gray

14. Operating Temperature

-20°C to 55°C

15. Operating Humidity

10% ~ 90% RH (non-condensing)



Case MaterialZinc Alloy (Level & Front Panel) + ABS (Back Shell)
MortiseAmerican Standard Single Latch German Standard Mortise (optional)
Identification ModeSmart Phone, Fingerprint and Passcode
User Capacity100
Fingerprint Capacity100
Passcode Capacity100
Fingerprint SensorCapacitive (silicon)
CommunicationBluetooth 5.0
Remote AccessBluetooth Gateway Required
Voice ControlAmazon Alexa, Google Assistant
Power Supply4×AA Alkaline Battery (not included)
Backup Power InterfaceMicro-USB Port Supported
Battery LifeUp to 1.5 years (about 10,000 access)
Door Thickness30-60mm (standard)
BacksetAdjustable 60 or 70 mm (only for single latch)
Dimensions (W*L*D)Front – 75*138*23 (mm) Back – 75*150*27 (mm)
Color OptionsSilver / Gray
Operating Temperature-20°C to 55°C
Operating Humidity10%~90% RH (non-condensing)
CertificationsCE-RED, FCC ID