01
Fingerprint Unlock
Semiconductor sensor recognizes your fingerprint in 0.3 seconds.
5-in-1 Smart Security System
Secure your homewith smart technology
Advanced 5-in-1 smart door lock for modern living. Fingerprint, PIN, App, RFID & Key — all in one sleek device.
100% SecureEasy Installation1 Year WarrantySmart App Control100% SecureEasy Installation1 Year WarrantySmart App Control100% SecureEasy Installation1 Year WarrantySmart App Control100% SecureEasy Installation1 Year WarrantySmart App Control
Unlock methods
Five ways to enter.
One lock, five secure paths in. Whichever you choose, it opens in under a second — and remembers up to 100 users.
02
PIN Password
6-digit anti-peep password with virtual digit protection.
03
Mobile App Control
Lock and unlock remotely using the Securis companion app.
04
RFID Card Access
Tap your card for instant access — supports up to 100 cards.
05
Mechanical Key Backup
Emergency physical key for power outages or special situations.
Built for real security
Protection you can feel.
Every layer is engineered to keep intruders out and peace of mind in. Scroll through the five guarantees built into every Securis BSL03.
Ultra-Fast Unlocking
A semiconductor sensor recognizes your fingerprint in 0.3 seconds — faster than fishing a key out of your pocket. Built for busy mornings, not waiting.
- 0.3 second fingerprint recognition
- Anti-spoof biometric sensor
- Instant access for every family member
0.3s matchSemiconductor sensorAnti-spoof
Strong Metal Build
Precision-cast zinc alloy body with a tempered glass touch panel. Every edge is tamper-resistant, every surface is fingerprint-proof.
- Zinc alloy body resists prying and cutting
- Tempered glass keypad — scratch & smudge resistant
- IP65-rated against dust and water
Zinc alloyTempered glassIP65
Anti-Theft Alarm
Forced entry triggers a 100 dB on-device siren and sends an instant push alert to your phone — even before the door moves.
- 100 dB built-in siren on forced entry
- Instant push alert to your phone
- Auto lockout after 5 wrong PINs
100 dB sirenPush alertsAuto lockout
Low Battery Alert
Four AA batteries last 12+ months, and the lock warns you weeks before they run out. If you miss the warning, USB-C emergency power gets you back in.
- 4 × AA batteries — 12 month average life
- Low-battery alerts start at 20%
- USB-C emergency power port
12-month batteryUSB-C backupApp warnings
Multiple User Access
Store up to 100 fingerprints and 100 PINs. Share temporary guest codes from the app for housekeepers, guests, or the dog walker.
- 100 fingerprints, 100 PINs supported
- Temporary guest PINs via the app
- Full activity log — who came in, when
100 usersGuest passesActivity log
The Securis range
One lock for every door.
Traditional mortise, frameless glass, or video-connected — three locks, one Securis OS.
BSL03 — Obsidian
What our customers say
Loved by homeowners.
From first-time buyers to tech enthusiasts — real stories from Securis families.
Very secure and easy to use. The fingerprint unlocks instantly. Best investment for home security.
Premium quality product. My clients love the sleek design and the smart app control feature.
Best smart lock in this range. The 5-in-1 system gives me peace of mind every day.
Installed at my office. Multiple user access is perfect for my team. Highly recommend!
Very secure and easy to use. The fingerprint unlocks instantly. Best investment for home security.
Premium quality product. My clients love the sleek design and the smart app control feature.
Best smart lock in this range. The 5-in-1 system gives me peace of mind every day.
Installed at my office. Multiple user access is perfect for my team. Highly recommend!
The build quality is exceptional. It's become the first thing I recommend for every apartment project.
No more lost keys or late-night calls. My kids just tap a finger and they're in. Life-changing.
Managing guest access across twelve apartments used to take hours. Now it's five seconds in the app.
Set it up in 25 minutes flat. The engineering is thoughtful — every detail has a reason to be there.
The build quality is exceptional. It's become the first thing I recommend for every apartment project.
No more lost keys or late-night calls. My kids just tap a finger and they're in. Life-changing.
Managing guest access across twelve apartments used to take hours. Now it's five seconds in the app.
Set it up in 25 minutes flat. The engineering is thoughtful — every detail has a reason to be there.
Frequently asked
Questions? Answered.
Everything you need to know before bringing a Securis lock home. If your question isn't here, reach out — we reply within a day.
Yes. Most standard doors (35–110mm) take under 30 minutes with the included kit. We provide a step-by-step guide and video walkthrough.
A low-battery alert notifies you in advance. If it fully dies, use the USB-C emergency power port or the included mechanical backup key.
Yes — up to 100 fingerprints and 100 PINs. Perfect for families or small offices.
Yes, pair via Bluetooth 5.0 and Wi-Fi. Lock or unlock remotely, assign guest access, and view activity logs.
Works with standard mortise doors between 35mm and 110mm thick. If you're unsure, contact us with a photo.