Introduction
Thank you for choosing the SecuraLen D30 Mini WiFi Hidden Camera Alarm Clock. This device combines a functional digital alarm clock with a high-definition hidden camera, offering discreet surveillance and timekeeping. This manual provides essential information for setting up, operating, and maintaining your device to ensure optimal performance and security.
Product Overview
Components
- SecuraLen D30 Camera Alarm Clock
- USB Charging Cable
- User Manual
- USB Power Adapter (may vary by package)
The following diagram illustrates the key components and controls of your SecuraLen D30 device:

Image: SecuraLen D30 Labeled Components. This image shows the front and back of the alarm clock, highlighting buttons like ON/OFF, SET/OK, brightness control, and ports such as the USB charging port and Micro SD slot.
Key Features
- 1080P HD Video Recording: Captures clear, high-definition video.
- 120° Wide-Angle Lens: Provides a broader view of the surveillance area.
- Dual-band WiFi (2.4/5 GHz): Ensures stable and reliable wireless connection.
- Motion Detection: Sends instant alerts to your phone upon detecting movement.
- Invisible Night Vision: Equipped with 8 invisible IR LEDs for clear monitoring in low-light conditions without visible light.
- 2-in-1 Digital Alarm Clock: Functions as a fully operational alarm clock with time, temperature, month, and date display.
- Adjustable Display Brightness: Five levels of brightness for comfortable viewing day or night.
- MicroSD Card Support: Supports up to 128GB for loop recording (card not included).
- Portable Design: Compact and discreet, suitable for various indoor environments.

Image: Product Dimensions and Features. This image displays the device with its approximate dimensions (13.5cm x 8cm x 3.4cm) and icons representing key features like 2.4/5GHz WiFi, video, photo, 120° wide-angle, playback, motion detection, night vision, and loop recording.
Setup Guide
1. Charging the Device
Before first use, fully charge the SecuraLen D30. Connect the provided USB charging cable to the device's USB port and plug the other end into a USB power adapter (5V/1A recommended) or a computer's USB port. The charging indicator light will show the charging status and turn off when fully charged.
2. App Installation
To access camera features, download the companion app. Search for "Tuya Smart" in your smartphone's app store (iOS or Android) and install it. Register an account or log in if you already have one.
3. WiFi Connection
- Ensure the camera is powered on and within range of your WiFi router.
- Open the Tuya Smart app and follow the on-screen instructions to add a new device.
- Select the camera category and choose the appropriate device type (e.g., "Smart Camera").
- Follow the app's prompts to connect the camera to your home WiFi network. The D30 supports both 2.4GHz and 5GHz WiFi bands for stable connectivity.
- Once connected, you will be able to view the live feed and control camera functions through the app.

Image: Dual-band WiFi Connection. This image illustrates the SecuraLen D30 connecting to a dual-band (2.4GHz & 5GHz) WiFi router, emphasizing stable and fast connectivity for live streaming and remote access via the Tuya Smart app.
Operating Instructions
1. Camera Functions
- Live View: Open the app to view real-time video from the camera.
- Recording: The camera supports continuous loop recording to a microSD card (up to 128GB, not included). You can also initiate manual recording via the app.
- Playback: Access recorded footage stored on the microSD card through the app's playback feature.

Image: Live View and Playback. This image demonstrates how to view live video and play back recorded footage directly within the mobile application, showing a timeline for easy navigation through recordings.
2. Alarm Clock Functions
The D30 functions as a full-featured digital alarm clock. Use the physical buttons on the device to set the time, date, and up to two separate alarms. You can also switch between 12/24-hour format and Celsius/Fahrenheit temperature display.
- Setting Time/Date: Use the 'SET/OK' button to enter settings mode and the '+/-' buttons to adjust values.
- Setting Alarms: The device supports two alarms. Follow the on-screen prompts after entering alarm setting mode.
- Adjusting Brightness: Press the brightness adjustment button (often indicated by a sun icon) to cycle through five levels of display brightness.

Image: Integrated Alarm Clock. This image highlights the alarm clock's display showing time, temperature, and date, along with options for 12/24-hour format and Celsius/Fahrenheit, and its function as a bedside alarm.
3. Night Vision
The D30 features invisible night vision, allowing clear video capture in complete darkness up to 10 meters. The 8 IR LEDs are not visible to the human eye, ensuring discreet operation. Night vision can be set to automatic or manual mode via the app.

Image: Night Vision. This image demonstrates the camera's night vision capability, showing a clear black and white image of a room in darkness, enabled by 8 invisible IR LEDs.
4. Motion Detection
Enable motion detection in the app to receive instant notifications on your smartphone when movement is detected within the camera's field of view. This feature helps monitor your space effectively and provides alerts for any unusual activity.

Image: Motion Detection. This image illustrates the motion detection feature, showing a smartphone receiving an alert notification when movement is detected by the camera, along with corresponding video and photo captures.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Do not use liquid cleaners or aerosols.
- Placement: Place the device on a stable surface away from direct sunlight, heat sources, and moisture.
- Storage: If storing for an extended period, ensure the device is fully charged and then power it off. Recharge periodically to maintain battery health.
- MicroSD Card: Regularly back up important footage and format the microSD card periodically to maintain optimal recording performance.
Troubleshooting
- Device not turning on: Ensure the device is fully charged. If it still doesn't turn on, try resetting it using the reset button.
- Cannot connect to WiFi: Verify your WiFi password is correct. Ensure the device is within range of your router and that your router is operating on a supported frequency (2.4GHz or 5GHz). Try restarting both the device and your router.
- Poor video quality: Check your internet connection speed. Ensure the camera lens is clean and free from obstructions.
- Motion detection not working: Ensure motion detection is enabled in the app settings. Adjust sensitivity if necessary.
- Alarm clock display issues: If the display is too dim or too bright, adjust the brightness using the dedicated button. If the time is incorrect, reset and re-sync with the app or manually set it.
Specifications
| Feature | Specification |
|---|---|
| Brand | SecuraLen |
| Model Name | D30 |
| Connectivity Technology | Wireless (Wi-Fi) |
| Special Features | Night Vision, Motion Detection, Alarm Clock |
| Indoor/Outdoor Use | Indoor |
| Mounting Type | Portable |
| Wireless Technology | Wi-Fi (2.4/5 GHz Dual-band) |
| Batteries Required | Yes |
| Average Battery Life | 2.5 Hours |
| Video Capture Resolution | 1080p |
| Frame Rate | 30 fps |
| Video Capture Format | AVI |
| Item Dimensions | 14.2 x 8.2 x 4.1 cm |
| Included Components | 1 Charging Cable |
| Night Vision Range | 10 Meters |
Warranty and Support
The SecuraLen D30 Mini WiFi Hidden Camera Alarm Clock comes with a 2-year manufacturer's warranty. For technical support, troubleshooting assistance, or warranty claims, please contact SecuraLen customer service through the retailer where you purchased the product or refer to the contact information provided in the product packaging.