🔐 [KAISER+] Dual Safe M1590SKK(D)

Smart Digital Door Lock for New-Style HDB · Metal Gates

---

⚠️ IMPORTANT NOTICE

✈️ Batteries are not included in air shipments.

🔋 Please check the product batteries regularly.

---

📌 [Dual Safe] M1590SKK(D)

As shown in the installation photos, the M1590SKK is a smart digital door lock designed for new-style Singapore HDB gates where a person cannot insert a hand or tool through the gate and directly turn the inside door-lock knob or lever, as well as for metal/grill gates commonly used in tropical regions.

🚪 It can be installed on new-style Singapore HDB gates and, depending on the installation environment, can also be used as a digital lock for a standard main door.

---

🚨 CHECK BEFORE INSTALLATION

⚠️ Do not use this product on a metal or grill gate where a hand or tool can be inserted through the gate to directly operate the inside manual lever.

🔍 Before purchasing or installation, please check the gate structure and spacing carefully.

❌ A gate where a hand can reach the inside lever from outside

❌ A gate where a tool can be inserted to operate the inside lever

❌ A door or gate structure that is not compatible with the product

⚠️ Installation and use are not recommended for gates with any of the above conditions.

---

🏠 RECOMMENDED APPLICATIONS

🏢 Singapore HDB

🚪 New-Style Metal Gates

🪟 Grill Gates

🏠 Residential Use

👨👩👧👦 Family Access Management

🔐 Facilities Requiring 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

---

🛠 MAIN FEATURES

🚪 OUTSIDE UNLOCKING METHODS

🔢 PIN Code

💳 RF Card

🧬 Fingerprint

🔑 Built-In Mechanical Emergency Key

---

🏠 INSIDE UNLOCKING METHOD

🕹️ Manual Lever

From the inside, the door can be opened using the manual lever.

---

🔑 EMERGENCY KEY SAFETY NOTICE

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

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

👉 Keep the emergency key and remote control in a safe and easily accessible location so they can be used immediately in an emergency.

🚫 Do not keep the emergency key only behind a locked door or in a location that may be difficult to access during an emergency.

---

🔗 SYNC SIMULTANEOUS UNLOCKING

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

⚠️ The SYNC function is available only with compatible main door locks and compatible connection environments.

---

🧩 OPTIONAL FEATURES

The following options can be selected depending on your installation and usage requirements.

🎮 Remote

Conveniently unlock the door using a remote control.

---

📱 BLE

PHONEPASS PLUS · Korean App

📲 Use your smartphone's BLE function to operate the door lock.

---

📡 BLE + Wi-Fi

PHONEPASS PLUS · Korean App

📱 An optional configuration supporting both BLE and Wi-Fi functions.

---

🌐 Wi-Fi Box

Includes 2 × 433MHz Black Remote Controls

📡 eWeLink · Chinese App

🌐 Allows remote door unlocking over the internet when properly connected.

---

⚠️ BLE · WI-FI OPTIONAL FUNCTION NOTICE

📱 BLE and Wi-Fi are optional functions.

Operation may be affected by the following conditions:

📱 Smartphone model and settings

📲 App status and updates

🔵 Bluetooth connection

🌐 Internet connection

📡 Router and Wi-Fi environment

📶 Communication and network conditions

🛠️ Third-party app or service availability

⚠️ Therefore, 100% operation cannot be guaranteed with every smartphone or under every network environment.

🚫 The door lock itself is not refundable solely because an optional BLE or Wi-Fi function cannot be used.

💵 In such cases, only the amount paid for the affected optional product/function will be refunded.

⚠️ If the door lock itself operates normally, inability to use an optional function or a compatibility issue with BLE or Wi-Fi does not qualify the entire door lock for a refund.

---

⚠️ IMPORTANT WI-FI BOX POWER NOTICE

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

The Wi-Fi Box will not operate in the following situations:

⚡ Power outage

🔥 Circuit breaker trips due to fire or another incident

🔌 USB power supply is disconnected

⚠️ Under these conditions, the Wi-Fi Box and the 2 × 433MHz black remote controls included with the Wi-Fi Box will not operate.

---

🔋 RECOMMENDED OPTION

⭐ Remote Set Recommended

For safe and convenient operation during a power outage, we recommend ordering the Remote Set together with the door lock.

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

🔋 Power: Coin battery or AAA batteries

🎮 Remote Control: The type and design are supplied at random.

🚪 Use During Power Outages: The door can still be unlocked using the Remote Set even when household power is unavailable.

---

🛡️ EMERGENCY SAFETY RECOMMENDATION

⚠️ For safer and more convenient access during a power outage or emergency, we strongly recommend ordering the Remote Set together with the door lock.

🔋 Please also check the remote-control batteries regularly.

---

💳 RF CARD NOTICE

⚠️ Occasionally, an included RF Card may be defective.

💵 If an RF Card is confirmed to be defective, a refund of up to USD 2 / SGD 3 will be provided.

🛒 If necessary, please purchase a compatible replacement RF Card locally.

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

---

⚠️ 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.

---

📹 2. PRODUCT UNBOXING

📦 Before opening the package, start recording a continuous, unedited video.

Continue recording without stopping or editing until all of the following have been completed:

📦 Inspection of the shipping box

✂️ Opening of the package

🔍 Inspection of the product condition

🧩 Verification of all included components

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

---

⚠️ 3. INSTALLATION-RELATED CLAIMS

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

❌ Incorrect installation

❌ Incompatible door structure or dimensions

❌ Door dimensions outside the supported installation range

❌ Unauthorized modification or alteration

❌ Failure to follow installation instructions

❌ Failure to check door structure and compatibility before installation

🇸🇬 Singapore

Claims and technical support may be limited if the seller's designated installer is not used.

---

🏭 4. FACTORY INSPECTION BEFORE SHIPMENT

✅ Every product undergoes basic inspection before shipment, including:

⚙️ Product operation

📦 Included components

🔐 Basic locking and unlocking functions

🧬 Electronic authentication functions

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

⚠️ Cosmetic damage occurring after installation or problems caused during installation may not be considered initial product defects.

---

✅ FINAL CHECK BEFORE PURCHASE

🔍 Always check the gate structure and product compatibility before purchasing.

🚨 Do not install this product on a gate where a hand or tool can be inserted from outside to operate the inside manual lever.

🔑 After installation, always verify that the emergency key works properly.

🔋 Check the door-lock and remote-control batteries regularly.

📡 The Wi-Fi Box requires a continuous USB power supply.

⭐ For power-outage situations, we recommend adding an independent Remote Set.

📱 BLE and Wi-Fi are optional functions, and their operation may vary depending on the user's device and network environment.

🚫 The entire door lock is not refundable solely because an optional BLE or Wi-Fi function cannot be used.

💵 In such cases, only the amount paid for the affected optional product/function will be refunded.