1. Introduction
The ULTRALOQ Latch 5 Fingerprint Smart Lock provides a secure and convenient keyless entry solution for residential and small office environments. This smart lock features built-in WiFi for remote management and offers multiple access methods, including fingerprint recognition, a digital keypad code, smartphone app control, and a traditional mechanical key. It is designed for easy installation on standard US doors.
2. Setup and Installation
The ULTRALOQ Latch 5 is designed for straightforward installation without the need for complex wiring or drilling. A screwdriver is the primary tool required. Please ensure your door meets the specified dimensions before beginning installation.
2.1 Door Compatibility
This smart lock is compatible with most standard US interior and exterior doors. Refer to the diagrams below for specific door thickness and backset measurements.

This image illustrates the required door dimensions for proper installation of the ULTRALOQ Latch 5, including door thickness, backset, and bore hole diameter.

A detailed diagram outlining the necessary door measurements and configurations for both left-handed and right-handed door installations.
2.2 Battery Installation
The lock requires 3 AA alkaline batteries, which are included. Ensure correct polarity when inserting the batteries into the compartment.

The battery compartment, located on the interior side of the lock, requires 3 AA batteries for operation.
2.3 Physical Installation
Follow the step-by-step instructions provided in the packaging for physical installation. The process typically involves mounting the exterior and interior assemblies and connecting the necessary cables.

A user installing the ULTRALOQ Latch 5 Smart Lock on a door using a screwdriver, highlighting the simple DIY installation process.
3. Operating Instructions
The ULTRALOQ Latch 5 offers multiple convenient ways to unlock your door.
3.1 Unlocking Methods
- Fingerprint: Place your registered finger on the sensor.
- Code: Enter your 4-8 digit code on the digital keypad.
- Smartphone App: Use the ULTRALOQ app to unlock remotely via Bluetooth or WiFi.
- Mechanical Key: Use the provided physical key as a backup.

This image displays the four primary methods to unlock the ULTRALOQ Latch 5: fingerprint, keypad code, smartphone application, and a traditional mechanical key.
3.2 App Control and Features
The ULTRALOQ app (available for iOS and Android) provides comprehensive control over your smart lock.
- Remote Access: Unlock your door from anywhere using the built-in WiFi.
- User Management: Add, modify, or delete user fingerprints and codes. Grant temporary access to guests.
- Log Records: View a history of who entered and when.
- Real-time Notifications: Receive alerts on your smartphone when the lock is used.

The ULTRALOQ app interface showcasing features such as sharing eKeys, managing user access, remote unlocking, reviewing log records, and receiving smart notifications.
3.3 Auto-Lock Function
Configure the auto-lock feature to automatically secure your door after a set period, ranging from 3 seconds to 5 minutes, for enhanced security and peace of mind.

The auto-lock feature automatically secures the door after a user enters, ideal for hands-free operation when carrying items.
4. Maintenance
4.1 Battery Replacement
When the battery level is low, the lock will provide an alert. Replace the 3 AA alkaline batteries promptly to ensure continuous operation. The battery compartment is secured by a screw.
4.2 Cleaning
Clean the lock's exterior with a soft, damp cloth. Avoid abrasive cleaners or solvents that could damage the finish or electronic components. The lock features a weatherproof exterior designed to withstand various weather conditions.

The weatherproof design of the ULTRALOQ Latch 5 ensures durability and functionality in various outdoor conditions, resisting water and corrosion.
5. Troubleshooting
If you encounter issues with your ULTRALOQ Latch 5, refer to the following common solutions:
- Fingerprint Reader Inconsistency: Ensure your finger is clean and dry. Try re-registering your fingerprint if issues persist. Multiple attempts may sometimes be necessary.
- App Connectivity Problems: If the app fails to connect via Bluetooth or WiFi, force-close and reopen the application. Verify that the lock's batteries are sufficiently charged, as low power can impact connectivity.
- Excessive Battery Drain: Frequent use of WiFi features can increase battery consumption. Monitor battery levels regularly through the app and replace batteries as soon as a low battery warning appears.
- Changing User Codes: To modify an existing user's access code, the user profile must first be deleted from the app and then re-added with the new desired code.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | ULTRALOQ |
| Model Name | ULTRALOQ Latch5 Fingerprint |
| Lock Type | Biometric, Keypad, Built-in WiFi Smart Lock |
| Material | Zinc |
| Color | Black |
| Item Dimensions (L x W x H) | 3.5 x 6.5 x 7 inches |
| Item Weight | 5.77 pounds |
| Power Source | 3 AA Alkaline batteries (included) |
| Connectivity Protocol | Bluetooth, WiFi |
| Controller Type | Android, iOS App, Hand Control, Mechanical Knob |
| Recommended Uses | Home, Small Office |
| UPC | 850021446789 |
7. Warranty and Support
7.1 Warranty Information
The ULTRALOQ Latch 5 Fingerprint Smart Lock comes with a lifetime mechanical warranty and an 18-month electronic warranty. Please retain your proof of purchase for warranty claims.
7.2 Technical Support
Free technical support is available in the US. For assistance, please visit the official ULTRALOQ website or refer to the contact information provided in your product packaging.





