The LIONHEAD RATHDOWNE Digital Door Lock (LHL-ER5-B-RATHDOWNE) is a premium access solution designed to bring together modern aesthetics, superior security, and cutting-edge digital functionality. Whether you're upgrading your home, office, apartment, or Airbnb, the Rathdowne delivers effortless control and enhanced safety with an elegant black finish that suits all modern architectural styles.
With six versatile unlocking options—Bluetooth, fingerprint, PIN code, RFID card, mobile app, and manual key override—this lock is engineered for convenience and peace of mind. Add the optional Wi-Fi gateway to enable remote control, audit trail monitoring, and instant user management via the TTLock app.
Built from durable aluminum alloy and compatible with 35mm–65mm doors, the Rathdowne is simple to install and perfect for both new builds and retrofits. It's the smart, stylish choice for everyday security across personal, commercial, and multi-user environments.
What’s Included in the Box
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1 × LIONHEAD RATHDOWNE Digital Door Lock – Black (LHL-ER5-B-RATHDOWNE)
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Interior and exterior lock units
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Adjustable latch mechanism (select mortise sold separately)
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2 × RFID access cards
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2 × Manual override keys
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Mounting hardware and fixings
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Installation template and user manual
Main Features
| Feature |
Description |
| Unlock Methods |
Bluetooth, Fingerprint, PIN Code, RFID Card, App, Manual Key |
| App Control |
Manage users, generate PINs, view logs via TTLock mobile app
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| Remote Access Option |
Compatible with Wi-Fi Gateway for global access and control |
| Doorbell Function |
Integrated touch doorbell at the front unit |
| Durable Build |
Crafted from high-strength aluminum alloy in matte black finish |
| Multi-User Capacity |
Supports multiple PINs, cards, and app users |
| Fast Installation |
Fits doors 35–65mm thick; easy retrofitting |
| USB Backup Power |
Emergency unlock via USB-C power bank if battery dies |
Detailed Specifications
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Product Code: LHL-ER5-B-RATHDOWNE
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Material: Aluminum Alloy
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Finish: Matte Black
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Front Plate Dimensions: 193mm (H) × 75mm (W) × 22mm (D)
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Unlocking Methods:
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TTLock App (Bluetooth 5.0)
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Fingerprint (up to 100 users)
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PIN Codes (250 user codes)
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RFID Cards (13.56MHz, up to 1000 cards)
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Manual Key Override
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Wi-Fi (via optional TTLock Gateway)
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Power Supply: 4 × AA Alkaline Batteries (Not Included)
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Battery Life: Approx. 12 months typical usage
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USB Emergency Power: USB-C port
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Mortise Type: Compatible with Single Latch, 5050, 6050 (sold separately)
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Door Thickness Range: 35mm – 65mm
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Operating Temperature: –25°C to +60°C
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Application: Wooden or Metal Swing Doors
Warranty & Support
Brand Overview
Lionhead Locks is a premium provider of smart access solutions for Australasian homes, businesses, and rental properties. Designed with weather resistance, high-end aesthetics, and multi-user security in mind, Lionhead smart locks combine form and function for modern living.
Practical Use Scenarios
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Airbnb Hosts & Short-Term Rentals – Assign and revoke temporary PINs and cards remotely
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Family Homes – Fingerprint entry for kids and guests without needing keys
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Offices & Clinics – Control employee access and log entry activity via the app
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Apartments & Units – Retrofit without altering the door frame or structure
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Heritage or Modern Properties – Add security without compromising aesthetics
Excellence for the Australian and New Zealand Market
The LHL-ER5-B-RATHDOWNE is crafted to meet the demanding standards of the Australian and New Zealand environment. With resistance to high humidity and temperature fluctuations, it provides long-term durability and security for indoor and outdoor use. Every unit is sourced through authorized regional partners, ensuring compliance with local warranties, certifications, and service channels. Backed by professional technical support in AU/NZ, this is a lock made for our market.
Frequently Asked Questions (FAQs) — LHL-ER5-B-RATHDOWNE
Q: What door thickness is compatible with the LHL-ER5-B-RATHDOWNE?
A: It fits wooden or metal doors between 35mm and 65mm thick, suitable for most standard doors in AU/NZ.
Q: Can I access the lock remotely when I'm not home?
A: Yes. With the optional TTLock Wi-Fi Gateway, you can manage users, unlock the door, and view logs from anywhere in the world.
Q: What is the battery life of the LHL-ER5-B-RATHDOWNE?
A: The battery life is approximately 12 months, depending on usage frequency. You'll receive low-battery alerts via the app.
Q: Does it support offline unlocking?
A: Yes, you can still unlock using fingerprint, PIN code, card, or key without internet or Bluetooth.
Q: Is it compliant for use in Australia and New Zealand?
A: Absolutely. It is designed, distributed, and supported locally, with a 2-year warranty through authorized ANZ partners.
