where can i get additional "cards" or remote control?

I bought several "Samsung Door Lock RF Key Card Stick Card for 2920/5120/6020/P718/P910/DP728/DP920 Smart Tag Card" and they work without any issues. And you can get them in different colors!

Is this lock classified as a Grade 1, 2 or 3? Whats the fire rating and the average cycle. How long is the waranty amd how do you obtain waranty.

It seems like the keys are high security keys like Multi-lock brand so I would say it’s a grad one. the only problems it’s very hard to get a copy of these key in US if you find a hardware store that can make a copy it can go easily over $50 per a key.

can it be mounted on a metal door?

Dear Reginald, this is depend on you, if the hole in door is same with the latch, then it can be installed.

What's the range on the key cards? Can you leave them in your pocket or wallet and open the door?

no, the card need to be placed near the number keys to open the lock, but the remote can work in 30 meters

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HAIFUAN Digital Door Lock,Unlock with Remote Control, M1 Card, Code and Key,Handle Direction Reversible

HAIFUAN Digital Door Lock,Unlock with Remote Control, M1 Card, Code and Key,Handle Direction Reversible

Product ID: 344312913

Details

Brand
HAIFUAN
Item dimensions L x W x H
6.37 x 2.95 x
Lock Type
Keypad
Material
Metal
Special Feature
Keyless

📲120 remote users max

🔐4 unlock modes

🔑Reversible handle

Description

🔒 Unlock the future of smart security—because your door deserves more than just a key.

ADAPTIVE DESIGN - Reversible handle and standard latch fit most doors, plus low-battery alerts keep you worry-free.
EFFORTLESS OPERATION - Voice navigation guides you through every step, making access seamless and intuitive.
MULTI ACCESS MASTERY - Unlock via Remote, M1 Card, Code, or Mechanical Key for ultimate flexibility.
MASSIVE USER CAPACITY - Supports up to 100 codes, 800 cards, and 120 remote users—perfect for busy households or offices.
SMART SECURITY LAYERS - Passcode masking lets you add random digits before/after your code to foil prying eyes.

The HAIFUAN Digital Door Lock offers four versatile unlocking methods—remote control, M1 card, passcode, and mechanical key—supporting hundreds of users simultaneously. Designed for both residential and commercial use, it features a reversible handle, voice navigation, and advanced passcode protection. With easy installation and low-battery alerts, it’s a modern security solution that blends convenience with robust access control.

Specifications

ASIN	B01IVJLAVY
Additional Features	Key Unlock
Brand	HAIFUAN
Brand Name	HAIFUAN
Control Method	Remote
Controller Type	Remote Control
Country of Publication	USA
Customer Reviews	4.0 out of 5 stars 660 Reviews
Included Components	Key
Item Dimensions	16.2 x 7.5 x 15.5 Centimeters
Item Weight	4.72 Pounds
Item dimensions L x W x H	16.2 x 7.5 x 15.5 Centimeters
Lock Type	Key Lock
Manufacturer	HAIFUAN
Material	Metal
Material Type	Metal
Model Number	HFAD6300
Recommended Uses For Product	security
Special Feature	Key Unlock
Style Name	Modern
UPC	713893602571

Reviews

T**S

GREAT PRODUCT

18.11.2023

M**Z

Good quality, easy to use and install Smart Lock

27.01.2021

M**L

Door lock

12.03.2026

R**L

Great

27.08.2021

I**E

Great lock

27.12.2018

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