Smart J21 3D Face Video Intercom Door Smart Lock

Smart J21 3D Face Video Intercom Door Smart Lock

A premium smart lock that also acts like a video intercom

Smart J21 is designed for people who want next level door security and smarter visitor control. It combines a smart lock with a built in camera and active intercom, so you can monitor your door in real time, speak with visitors, and unlock remotely when needed. It is the perfect upgrade for modern homes, apartments, and properties where you need both convenience and control.

With app based management, you can handle access from your phone and make smarter decisions before opening the door. When the doorbell rings, your phone can receive the request, allowing you to verify the visitor and respond instantly.

Real time monitoring and active intercom

J21 is built for entrances that get frequent visitors, deliveries, and guest traffic. The camera supports monitoring, while the intercom feature allows two way voice communication with visitors outside the door.

Intercom and monitoring highlights
• Camera supported door monitoring
• Remote visual intercom on the mobile app
• Two way voice intercom with visitors
• Remote unlock for visitors when you are away

Multiple unlocking methods for every situation

J21 supports several access options so family, staff, guests, and tenants can unlock in the way that suits them best. This also makes it ideal for shared spaces and short stay properties where access needs vary.

Unlock options supported
• Palmprint unlock
• Face unlock
• Fingerprint unlock
• Password unlock
• App unlock
• IC card unlocking
• Emergency key unlocking

3D face recognition designed for fast accurate entry

The lock supports 3D structured light face recognition, built for smooth entry without touching the keypad. This is ideal for busy users and high traffic entrances.

Face unlock highlight
• 3D structured light face recognition

Full automatic motor lock for effortless use

J21 is labeled as full automatic, meaning once unlocking is successful, the motor retracts the latch automatically, and the locking tongue can extend automatically when locking. This gives a smooth experience and reduces manual locking stress.

Full automatic feature
• Automatic latch retraction after successful unlocking
• Automatic locking tongue extension when locking

Smart app management for modern access control

J21 supports app management features such as remote unlocking and access handling. This is especially useful for property managers, short lets, and business owners.

App highlights
• App intelligent management
• Remote unlock
• Smart linkage and access control features shown on the visuals

Emergency power and durability support

J21 includes a USB charging port for emergency power support, plus battery reminders. The visuals also list durability claims that can be used as product highlights.

Power and durability highlights
• USB charging port for emergency situations
• Battery reminder
• High temperature resistance up to 65°C claim
• 200 hours salt spray test claim
• 100K service life claim

Where J21 can be used

J21 is best for entrances where security, visitor verification, and controlled access matter.

Recommended use locations
• Home main doors
• Apartments and duplex entrances
• Office entrances and executive offices
• Short let and rental properties
• Hotels and serviced apartments
• Clinics and consulting rooms
• Retail stores and studios
• Staff access controlled doors

Quick recap of what you are getting

Smart J21 highlights
• 3D face recognition with camera monitoring
• Video intercom with two way voice
• Remote visual intercom and remote unlock
• Palmprint, fingerprint, password, card, app, and key access
• Full automatic motor locking mechanism
• USB emergency power support and battery reminder