HAIFUAN M20 Bluetooth Digital Lock,Unlock with Fingerprints, Cards, Codes, App (Compatible with Alexa) (for Left Hand Doors Only)


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Price: $110.56
(as of Aug 14,2022 12:56:52 UTC – Details)

Product Description



Why choose HFAM20B?

Excellent for residential and office

1.Unlock with M1 Card,Code, Fingerprints, App or Mechanical Key ,Voice Navigation While Operating,ORB black finish color

2.Max of 150 Codes,150 fingerprints, 200 Cards users. Unlimited app Users. Keypad illumination, Extra card available

3.Standard Latch(backset 2 3/8″ and 2 3/4″ reversible).Package Includes 2 M1 Cards, and 3 Metal Keys, Handle Direction not Reversible, This Link is Only for Left Hand Doors


Multiple open methods

Low Battery Alarm

Voice Navigation

Keypad Illumination

easily generate code and send to others

support remote control(require and extra gateway)

work with alexa(require and extra gateway)

Passage Mode available


Code Protection Function and Passage Mode

Code protection function

Users can input many digits before and after the ture code to open the door, for example, true code is 234890(the length of codes should be 6-10 digits), you can input 146+234890+1578# to open the door, total length must be less than 16 digits , never worry about people around you will figure out the true code:)

Handle Orientation for this lock is Not Reversible

The orientation of this link is default for left hand. If you need right hand direction,Please buy from another link

Passage Mode

If you want to keep it open , just program it to passage mode, you can set any time period for “passage mode”, during this time, enter a code, it will always keep open

Some More Details







In case of Dead Battery

The lock will alarm when the battery voltage is lower than 4.8V, You can use keys to open the door(key hole is on the bottom of the front panel)


one front panel and back panel
one latches(backset:2-3/8″ and 2-3/4″ reversible)
2 cards(Frequency:13.56MHZ)) +3 keys
User Manual and Necessary fitting components


Diameter of plate: 2.52″(64mm)*10.2″(260mm)
Latches with backset of 2 3/8″(60mm) and 2 3/4″(70mm) reversible.
Handle length:5.31″(135mm)
Suitable for door thickness between:1.18″-2.36″(30-60MM)

What’s else?







Remote Control

Need to install a special gateway hub(sold seperately) for the lock first, once installed, you can open the lock anywhere in the world where wifi or 4G is available

Handle Direction

The handle direction of this lock is not reversible, this link is only for left hand doors, if you need right hand, please buy from another link

Work with Alexa

Must enable remote control first, and install the special gateway hub (sold seperately) for the lock, once set up, you can speak to alexa to open the lock

Handle Direction not Reversible,This Link Only for Left Hand Doors,Standard Latch(2 3/8″ and 2 3/4″ Reversible)
Unlock with Fingerprints, M1 Card, Pass Code Mechanical Key or APP, Can be Operated Via Keypad or APP
150 fingerprints,150 Code Users ,200 Cards For Physical Memory, Unlimited App Users, Keypad illumination, Passage Mode(Always Keep Open) Available
Remote Control Function(Hub Required, Hub Sold Separately), HUB ASIN:B07KPTZR45
Works with Alexa for Voice Control (Hub Required, Alexa Device and hub Sold Separately,ASIN B07KPTZR45 )

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HAIFUAN M20 Bluetooth Digital Lock,Unlock with Fingerprints, Cards, Codes, App (Compatible with Alexa) (for Left Hand Doors Only)


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