JA-FP4
4 Ways tp Unlock—
Effortless for every Generation.
JA-FP4 Highlights
Here is a quick snapshot of JANUS JA-FP4.
100%MIT
Designed and manufactured in Taiwan, delivering trusted quality, reliable performance, and long-term durability.
4 Ways to Unlock
Unlock with Fingerprint, Passcode, RFID Card or Mechanical Key to fit every situation.
1,000,000 Cycle Tested
Tested for over 1,000,000 lock and unlock cycles to ensure dependable performance for everyday use.
4 Unlock Ways
No Learning Curve, Suitable for All Ages!
Fingerprint
Up to 100 fingerprints
RFID Card
Up to 100 cards
Passcode
Up to 100 codes
Mechanical Key
2 backup keys
Features
Discover the intelligent features designed to make access simpler, safer, and more convenient.
Worried about someone watching your passcode?
Virtual Passcode protection keeps your passcode private.
If your passcode is 1488
The door will unlock as long as 1488 appears anywhere in the entered number string.
Examples:
○ 12 1488 3456 ○ 123456 1488 ○ 1234 1488 5678
Worried that frequently used buttons might reveal your passcode?
Pre-unlock Random Code Protection :
Add 2 random digits before your passcode to reduce fingerprint-trace guessing.
If your passcode is 1488; random digits are 3 and 7
You may enter:
○ 37 1488 ○ 73 1488
JANUS becomes your first impression
All-metal premium texture: enhancing your home’s first impression.
For interior designers, JANUS electronic locks bring a sense of high-end metallic luxury to every client’s front door.
Customized Sound and LED light
Your first impression shows on the doorway, JANUS-FP4 allows you to create your unique style by setting LED color and sound.
3 Major Design Awards
Precision Craftsmanship · Leading with Strength
Engineered for Reliability
Built in Taiwan and tested to deliver exceptional durability, efficiency, and long-term performance.
Manufacturing
100%MIT
Entirely manufactured in Taiwan with a commitment to high-quality craftsmanship.
Durable & Long-Lasting
1,000,000 Cycles
Passed rigorous durability testing.
Energy Efficient
3-Year
Leading tech. Ultra-long standby.
Impact Resistance
200J
Rugged design for ultimate durability.
Fire Rated
3-Hour
Certified 3-hour fire resistance for maximum safety.
Perfect For
Public Buildings
Public Facilities｜ Government Offices
Ideal for government offices, schools, hospitals, libraries, and other public facilities where durability and reliable security are essential.
Hotels
Resorts ｜ Serviced Apartments ｜ Business Hotels
Designed for hotels, resorts, and serviced apartments that require dependable security and long-lasting performance.
FAQ
Find answers to the most common questions about installation, features, and everyday use!
Why choose the JANUS FP4 Smart Lock?
JANUS FP4 is a Taiwan Smart Lock designed and manufactured in Taiwan. Combining over 50 years of lockmaking expertise with award-winning industrial design, it delivers dependable security, premium craftsmanship, and long-lasting performance for residential and commercial applications.
What makes JANUS FP4 different from other smart locks?
Unlike standard smart locks, JANUS FP4 combines premium metal craftsmanship, internationally recognized design awards, and commercial-grade durability. It is designed for users who value both aesthetics and long-term reliability.
Is the JANUS FP4 suitable for commercial buildings?
Yes. With 1,000,000 cycle durability testing, 200J impact resistance, and UL 3-hour fire rating,
JANUS FP4 is built for demanding environments such as commercial buildings, public facilities, hotels, and residential projects.
Has the JANUS FP4 received any international awards?
Yes. JANUS FP4’s exterior design has received the iF Design Award, Red Dot Design Award, and Taiwan Excellence Award, recognizing its outstanding appearance and design quality.
Specifications
| Assembly | |
|---|---|
| Inside Unit | 70 × 287 × 32 mm (without handle; approx. 70 mm with handle) |
| Outside Unit | 60 × 325 × 30 mm (without handle; approx. 70 mm with handle) |
| Product Information | |
| Lock Case Material | Stainless Steel |
| Exterior Material | Forged Brass, Polyethylene (PE) |
| Function | Password, Card, Fingerprint, Key |
| Backset | 70 mm |
| Door Thickness | 45–60 mm |
| Power | |
| Power Supply | 4 × AA Alkaline Batteries |
| Emergency Power Port | Type-C |
Certificate
UL Fire Resistance Certification.
Buy It Now
Ready to upgrade your door? Shop through our official partners and enjoy trusted JANUS quality.
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