⚠️ IMPORTANT NOTICE

✈️ Batteries are not included in air shipments.

🔋 Please check the product batteries regularly.

⚠️ Any product damage or malfunction caused by battery leakage is the customer’s responsibility.

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📌 [Dual Safe] M1491GNK

🔐 [KAISER+] Dual Safe Two-Way HDB · Metal Gate Digital Door Lock

M1491GNK is a two-way smart digital door lock designed for Singapore HDB gates and metal/grill gates commonly used in tropical regions.

🚪 With the Dual Safe system, access is controlled by authentication from both the outside and inside.

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📂 Recommended Applications

🏠 HDB · Metal Gate · Grill Gate
👨👩👧👦 Home · Family Safety
🏥 Care Facilities · Senior Safety
🏢 Shared Residential · Management Facilities
🔐 Security Facilities · Access Control

🌏 Popular Search Keywords by Country:
Singapore HDB Gate Lock · Malaysia Metal Gate Lock · Thailand Digital Gate Lock · Indonesia Smart Gate Lock · Vietnam Grill Gate Lock · Philippines Metal Gate Lock · Two-Way Gate Lock · Dual Safe Gate Lock · Fingerprint Gate Lock · Remote Control Gate Lock · Wi-Fi Gate Lock

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🛠 Main Features

🔢 PIN Code · 💳 RF Card
🧬 Two-Way Fingerprint — Outside + Inside
🔗 SYNC — Simultaneous Unlocking with Main Door Lock
🔑 In-Body Mechanical Emergency Key

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🧩 Optional Accessories

📡 Wi-Fi Box (Includes 2 × 433MHz Black Remote Controls)

🌐 Remote Door Unlocking via eWeLink

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⚠️ IMPORTANT POWER NOTICE

🔌 The Wi-Fi Box must remain connected to USB power at all times.

⚡ In the event of a power outage, or if a fire or other incident causes the circuit breaker to trip, the Wi-Fi Box and the 2 black 433MHz remote controls supplied with it will not operate.

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🔋 *Recommended: Add Remote Set

For safe and convenient operation during a power outage, we recommend selecting *Remote Set from the product options and ordering it together with the lock.

✅ The *Remote Set operates independently of the Wi-Fi Box.

🔋 Power: Coin battery or AAA batteries

🎮 Remote Control: Type/design is supplied at random.

🚪 Emergency Use: The door can still be unlocked using the Remote Set even when household power is off.

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🛡️ Emergency Safety Recommendation

⚠️ For emergency use and safer exit access during a power outage, we strongly recommend ordering the *Remote Set together with the lock.

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🚪 Outside Unlocking Methods

🔢 PIN Code
💳 RF Card
🧬 Fingerprint

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🚪 Inside Unlocking Methods

🎮 Remote Control
🔑 In-Body Emergency Key

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📱 Optional Common Unlocking Methods — BLE / Wi-Fi

🎮 Remote Control · 📱 BLE · 📡 Wi-Fi

⚠️ BLE and Wi-Fi are optional functions. Their operation may depend on the smartphone, app, Bluetooth connection, internet connection, router, network environment, or third-party service. Therefore, 100% operation cannot be guaranteed under all conditions.

💵 If an optional BLE or Wi-Fi function cannot be used, only the amount paid for that option will be refunded.

🚫 The door lock itself is not refundable due solely to failure of an optional BLE or Wi-Fi function.

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💳 RF Card Notice

⚠️ Occasionally, an included RF Card may be defective.

💵 In this case, a maximum refund of USD 2 (SGD 3) will be provided for the defective RF Card.

🛒 Please purchase a compatible replacement RF Card locally if necessary.

🚫 A defective RF Card does not qualify the entire door lock for a refund.

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🔐 Dual Safe Two-Way Access Control

🛡️ Authentication is required from both the outside and inside, making this lock suitable for homes and various environments where controlled access is required.

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🔗 SYNC Simultaneous Unlocking (Optional)

🚪 When the gate lock is unlocked, a compatible main door lock can also be unlocked simultaneously.

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⚠️ Emergency Key Safety Notice

🔑 After installation, always check that the emergency key operates properly.

⚡ If the batteries are depleted or an electronic malfunction occurs, the door can be opened manually with the emergency key.

👉 Keep the remote controls and emergency key in a safe and easily accessible location behind the main door, so they can be used immediately in an emergency.

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⚠️ Installation · Unboxing · Claims Policy

🛠 1. Installation

🔧 Professional installation is strongly recommended.

🇸🇬 Singapore: Please use an installer designated by the seller.
🌏 Other Countries: Please use a qualified local professional installer.
🚫 Self-installation is not recommended.

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📹 2. Product Unboxing

📦 Before opening the package, start recording a continuous, unedited video and continue recording until the package has been completely opened and all components have been checked.

⚠️ Claims regarding damage, missing parts, or incorrect components may be limited if supporting photo or video evidence is not provided.

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⚠️ 3. Installation-Related Claims

🔧 Problems caused by any of the following will not be considered product defects:

❌ Incorrect installation
❌ Incompatible door structure or size
❌ Unauthorized modification
❌ Failure to follow installation instructions

🇸🇬 Singapore: Claims and technical support may be limited if the seller’s designated installer is not used.

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🏭 4. Factory Inspection Before Shipment

✅ Every product is inspected before shipment for:

⚙️ Product operation
📦 Included components
🔐 Basic locking functions

📸 If any damage, malfunction, or missing parts are found, please contact the seller with photo or video evidence before installation.