
How to Use Your Calmcavern™ Essentials
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Product Description
Product Description
A sleek, secure biometric smart lock featuring fingerprint access for fast and keyless entry. Includes a touch-sensitive keypad for PIN entry and a traditional mechanical override key. Powered by AA batteries with low-battery alert and emergency power via USB. Easy to install on most standard doors, with a reversible handle design. Supports multiple user profiles, voice prompt guidance, and anti-tamper alarm for added safety.
Product Guide
Product Guide
. Unboxing & Contents
- TouchTurn™ Fingerprint Lock
- Mounting Hardware & Screws
- User Manual
- Backup Keys (2 pcs)
2. Installation Steps
- Remove your existing lock (if applicable).
- Position TouchTurn™ on the door and align holes.
- Secure with included screws.
- Attach interior panel and tighten.
- Insert batteries and check alignment.
3. Fingerprint Registration
- Press the registration button.
- Scan your finger 2–3 times until confirmed.
- Repeat for additional users (up to 50 fingerprints).
4. Using the Lock
- Unlock: Place registered finger on the sensor.
- Lock: Turn the knob or press lock button.
- Manual Key: Use backup key if battery runs out.
5. Battery & Maintenance
- Uses 4 AA batteries (included).
- Battery lasts 6–12 months depending on usage.
- Clean sensor with a soft, dry cloth.
6. Safety & Tips
- Avoid placing fingerprints when hands are wet or dirty.
- Keep backup keys in a safe place.
- Regularly check battery levels to prevent lockout.
7. Support
For troubleshooting or assistance, contact CalmCavern Customer Support via email or phone.
Specifications
Specifications
🔧 Specifications
- Unlock Methods: Fingerprint, PIN code, Mechanical key
- Fingerprint Capacity: ~ 100–200 users
- PIN Code Capacity: ~ 50–150 codes
- Door Thickness Supported: ~ 35–70 mm
- Power Supply: 4 × AA Alkaline batteries
- Emergency Power: External power via USB (or 9 V battery backup)
- Low Battery Indicator: Yes (LED / sound)
- Operating Temperature: ~0°C to +45°C
- Backup Unlock: Mechanical key + emergency power
Additional Security: Anti-tamper alarm, auto-lock mode
HOW DOES TouchTurn™ WORK?
TouchTurn™ – Effortless Fingerprint Security
Experience quick, key-free access with a lock designed for fast installation, smooth turning, and reliable fingerprint recognition—perfect for any door.
Step-by-Step Guide
Compare & Choose
Discover why TouchTurn™ outperforms traditional locks—see the clear advantages in security, convenience, and modern features.
|   | CalmCavern | Others |
|---|---|---|
| Fingerprint + Key | ||
| Easy & Quick | ||
| Unlock in seconds | ||
| Long-lasting electronic components | ||
| Multiple fingerprints, auto-lock, alarm |
★★★★★ 5,000+ Happy Customers This Iron is Hot
QUESTION
How to get best results?
How to get best results?
Follow these simple tips to ensure maximum accuracy, speed, and long-term performance.
- Register Multiple Fingers — Add 2–3 fingerprints per user for faster recognition.
- Scan from Different Angles — Capture edges and tips during setup to improve accuracy.
- Keep Sensor Clean — Wipe the fingerprint pad occasionally to maintain quick response.
- Check Battery Level — Replace or recharge early to prevent slow unlocks.
- Align Door Properly — Ensure the strike plate lines up for smooth locking and unlocking.
- Update Access Regularly — Remove old users and add new ones as needed for security.
Shipping & Delivery
Shipping & Delivery
- Shipping is available to all regions in Bangladesh, including Dhaka and outside.
- Delivery within Dhaka generally takes 1–3 business days.
- Deliveries outside Dhaka may take 3–7 business days, depending on location.
- International orders typically arrive in 15–30 days, subject to customs and courier processing.
- Tracking information will be provided once your order is dispatched, so you can monitor its progress.
- Any applicable import duties, taxes, or customs fees are the responsibility of the recipient.
- Please double-check your delivery address to avoid delays or returns.