1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your NGTeco ML300 Smart WiFi Fingerprint Keyless Entry Door Lock. Please read this manual thoroughly before installation and use to ensure proper functionality and safety.
2. Product Overview
The NGTeco ML300 is a versatile smart door lock offering multiple unlocking methods for enhanced security and convenience. It features a fingerprint sensor, electronic keypad for passcodes, Bluetooth connectivity via the NGTeco Home app, and traditional physical keys. With an optional Wi-Fi Gateway (sold separately), it can also integrate with Amazon Alexa and Google Assistant for voice control and remote access.
2.1 Components
The package includes the following components:
- Outdoor Assembly
- Indoor Assembly
- Gasket
- Mounting Plate
- Latch
- Strike Plate and Box
- Keys (Backup)
- Hex Wrench
- Spindle
- Screws (A, B, C, D, E)
- Installation Template
- User Manual
Image: All components of the NGTeco ML300 Smart Lock.
3. Installation Guide
This section provides step-by-step instructions for installing your NGTeco ML300 Smart Lock. For a visual guide, please refer to the installation video below.
Video: The Install Steps of ML300 Smart WiFi Door Lock. This video demonstrates the complete installation process.
3.1 Door Preparation
- Use the provided installation template to mark the necessary holes on your door.
- Drill a 2 11/64" (55mm) diameter face hole and a 1" (25mm) diameter latch hole.
- If you plan to use the studs for fastening, drill an additional small hole as indicated on the template. If using double-sided tapes, this small hole is not required.
Image: Door dimensions and hole requirements for installation.
3.2 Handle Reversibility
The door handle is reversible to accommodate both left-handed and right-handed doors. Adjust the handle direction as needed before proceeding with the installation.
- Locate the small screw on the side of the handle.
- Use the provided Hex Wrench to loosen this screw.
- Rotate the handle to the desired orientation (left or right).
- Tighten the screw to secure the handle in place.
Image: Reversible handle design.
3.3 Latch Installation
- Adjust the backset of the latch (if needed) to either 60mm (default) or 70mm (optional).
- Insert the latch into the door edge hole. Ensure the latch angle faces the door jamb.
- Secure the latch with two Screw A.
3.4 Outdoor Assembly Installation
There are two methods to install the Outdoor Assembly:
Method 1: Install with Double-Sided Tapes
- Paste a double-sided tape onto the mounting plate of the Outdoor Assembly.
- Insert the spindle into the clutch, ensuring the triangle mark points to the vertically centered position.
- Attach the Outdoor Assembly to the door by inserting the cable through the drilled holes.
Method 2: Install with Studs
- Fix the stud onto the mounting plate of the Outdoor Assembly.
- Insert the spindle into the clutch, ensuring the triangle mark points to the vertically centered position.
- Attach the Outdoor Assembly to the door by inserting the cable through the drilled holes.
3.5 Indoor Assembly Installation
- Pass the cable from the Outdoor Assembly through the hole of the Mounting Plate.
- Attach the Mounting Plate and Gasket onto the door. Secure them by inserting two Screw B.
- Connect the cable to the port on the Indoor Assembly.
- Place the Indoor Assembly properly on the Mounting Plate.
- Secure the Indoor Assembly by inserting Screw C and Screw D (or Screw D and E if using double-sided tapes).
3.6 Battery Installation
- Insert four (4) AA alkaline batteries into the battery compartment of the Indoor Assembly.
- Install the battery cover.
- Test the lock by using any fingerprint or code. If the lock responds, it is installed correctly.
4. Operating Instructions
The NGTeco ML300 Smart Lock offers multiple ways to unlock your door.
4.1 Unlocking with Fingerprint
- Place a registered finger onto the fingerprint sensor. The sensor will illuminate.
- Upon successful verification (indicated by a green light), rotate the handle down to open the door.
Image: Fingerprint unlocking in action.
4.2 Unlocking with Passcode
- Enter your registered passcode on the keypad.
- Press the NGTeco button (usually the '0' button or a dedicated checkmark/lock icon) to confirm.
- Upon successful verification, rotate the handle down to open the door.
Image: Random Passcode feature for enhanced security.
4.3 Unlocking with NGTeco Home App (Bluetooth)
- Ensure Bluetooth is enabled on your smartphone and you are within range of the lock.
- Open the NGTeco Home app.
- Select your ML300 lock from the device list.
- Tap the 'Unlock' button within the app.
- Upon successful unlocking, rotate the handle down to open the door.
Image: NGTeco Smart Lock with the NGTeco Home app on a smartphone.
4.4 Unlocking with Physical Key
- Insert the backup key into the keyhole located on the handle.
- Rotate the key 90 degrees.
- While holding the key turned, rotate the handle down to open the door.
Image: Unlocking the NGTeco Smart Lock with a physical key.
5. Smart Features & App Integration
Enhance your lock's functionality by connecting it to the NGTeco Home app and an optional Wi-Fi Gateway.
Video: The Unlocking operation and gateway connection of ML300. This video demonstrates app unlocking and gateway setup.
5.1 NGTeco Home App Setup (Bluetooth)
- Download the free NGTeco Home app from your smartphone's app store.
- Register and sign in to your account.
- Follow the in-app instructions to pair the lock via Bluetooth. Ensure your phone's Bluetooth is active.
- Once paired, you can manage users, view access records, and unlock the door via the app when within Bluetooth range.
5.2 Wi-Fi Gateway Connection (Sold Separately)
To enable remote control, smart alerts, and voice control, you will need the NGTeco Wi-Fi Gateway.
- Plug in the Wi-Fi Gateway. If the red LED blinks slowly, press and hold the reset button for 5 seconds until it blinks rapidly.
- Open the NGTeco Home app and tap the '+' button in the upper right corner.
- Select 'Smart Lock Wireless Gateway' from the device categories.
- Follow the on-screen instructions to connect the Gateway to your 2.4GHz Wi-Fi network.
- Once the Gateway is connected, enter its device interface in the app and select your ML300 lock to link it.
Image: NGTeco Wi-Fi Gateway for remote access and voice control.
5.3 Voice Control (with Wi-Fi Gateway)
With the Wi-Fi Gateway connected, you can use voice commands via Amazon Alexa or Google Assistant.
- Ensure your NGTeco Home app is linked to your Amazon Alexa or Google Assistant account.
- Use commands such as "Alexa, unlock my front door" or "Hey Google, unlock the main entrance."
- You may be prompted for a voice code for security.
6. Maintenance
6.1 Battery Replacement
The lock will provide a low battery warning. Replace batteries promptly to avoid being locked out.
- Remove the battery cover on the Indoor Assembly.
- Replace all four (4) AA alkaline batteries with new ones.
- Reattach the battery cover.
6.2 Cleaning
To maintain the appearance and functionality of your lock:
- Wipe the lock surface with a soft, damp cloth.
- Do not use abrasive cleaners or solvents, as these can damage the finish and electronic components.
- Keep the fingerprint sensor clean and dry for optimal performance.
7. Troubleshooting
Refer to the table below for common issues and their solutions.
| Issue | Possible Cause / Solution |
|---|---|
| Lock does not respond / No power. | Check battery installation and ensure batteries are new and correctly oriented. Replace if necessary. |
| Fingerprint not recognized. | Ensure your finger is clean and dry. Re-register your fingerprint if issues persist. Ensure the correct finger is being used. |
| Passcode not working. | Verify the correct passcode is entered. Ensure the NGTeco button is pressed after entering the code. Re-program the passcode if needed. |
| App cannot connect to the lock. | Ensure Bluetooth is enabled on your phone and you are within range. Restart the app and try again. For Wi-Fi features, ensure the Gateway is properly connected to a 2.4GHz Wi-Fi network. |
| Handle does not engage/disengage the latch. | Verify the spindle is correctly inserted and aligned. Check if the handle direction is set correctly for your door swing. Re-check all internal connections during installation. |
| Voice control (Alexa/Google Assistant) not working. | Ensure the Wi-Fi Gateway is online and linked to your voice assistant account. Check your internet connection. Verify the correct voice commands are being used. |
| Lock is completely unresponsive (no lights, sounds). | This may indicate a critical power or internal component failure. Try replacing batteries. If issue persists, contact customer support. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | NGTeco |
| Model Number | NGTeco Smart WiFi Lock (ML300) |
| Lock Type | Biometric (Fingerprint) |
| Material | Case Material: Zinc Alloy (Lever & Front Panel) |
| Item Dimensions (L x W x H) | 2.8 x 2.5 x 5.7 inches |
| Item Weight | 4.99 pounds |
| Color | Silver |
| Connectivity Protocol | Wi-Fi (via Gateway), Bluetooth 5.0 |
| Control Method | App, Fingerprint, Keypad, Key |
| Special Features | Capacitive Fingerprint Sensor, No Drilling Required (for standard installation), Reversible Design, Temporary Access, Voice Control (with Gateway) |
| Power Source | 4 AA Batteries (not included) |
| Door Thickness Compatibility | 30mm-60mm automatic adjustment |
| Backset | Adjustable 2 3/8" (60mm) or 2 3/4" (70mm) |
9. Warranty and Support
9.1 Product Warranty
This NGTeco product comes with a 1-year product warranty.
9.2 Customer Support
For any technical support or inquiries, please feel free to contact NGTeco customer service. Free lifetime USA technical support is available.
- Phone or E-mail: Available Monday to Friday, 6:00 am to 6:00 pm (EST).
- Refer to the product packaging or NGTeco's official website for specific contact details.
