1. Introduction
Thank you for choosing the CALEX Smart Security Video Doorbell. This manual provides essential information for the proper installation, operation, and maintenance of your device. This intelligent doorbell features a Full HD 1080p camera, 2-way audio communication, night vision, and motion detection to enhance your home security and convenience.

Image 1.1: CALEX Smart Security Video Doorbell, Chime, and smartphone interface.

Image 1.2: Overview of the doorbell's main features.
2. Important Safety Information
- Read all instructions carefully before installation and use.
- Ensure the power supply is disconnected before performing any electrical installation.
- Install the device in a location where it is protected from direct impact and extreme weather conditions, despite its water-resistant rating.
- Use only the provided power adapter and cables.
- Keep the device away from children and pets.
- Do not attempt to disassemble or repair the device yourself. Contact customer support for assistance.
3. Package Contents
Verify that all items listed below are included in your package:
- 1 x CALEX Smart Security Video Doorbell
- 1 x Wireless Chime
- 1 x Power Cable
- Mounting Screws and Wall Plugs
- Installation Bracket
- User Manual (this document)

Image 3.1: Contents of the product package.
4. Setup Guide
4.1. Physical Installation
- Choose a Location: Select a suitable location near your front door, ensuring a clear view and access to power. The doorbell is rated IP66 waterproof, suitable for outdoor use.
- Mount the Doorbell: Use the provided installation bracket as a template to mark drill holes. Drill the holes, insert wall plugs, and secure the bracket with screws. Attach the doorbell to the bracket.
- Connect Power: Connect the doorbell to a suitable power source using the provided cable.

Image 4.1: Doorbell mounted outdoors, demonstrating its water-resistant design.
4.2. Chime Placement
Plug the wireless chime into a standard electrical outlet inside your home, within range of the doorbell. The chime will automatically pair with the doorbell.

Image 4.2: Wireless chime installed indoors.
4.3. App Installation and Pairing
- Download the App: Search for "Calex Smart" in your smartphone's app store (iOS or Android) and download the application.
- Create an Account: Open the app and follow the on-screen instructions to register a new account or log in if you already have one.
- Add Device: Tap the "+" icon or "Add Device" button in the app. Select "Video Doorbell" from the list of devices.
- Follow In-App Instructions: The app will guide you through connecting the doorbell to your Wi-Fi network and completing the pairing process. Ensure your Wi-Fi network is 2.4GHz.
5. Operating Your Video Doorbell
5.1. Live View and Two-Way Audio
Once connected, you can access a live video feed from your doorbell via the Calex Smart app. When a visitor presses the doorbell or motion is detected, you will receive a notification on your smartphone. Tap the notification to view the live feed and use the two-way audio feature to speak with your visitor.

Image 5.1: Using 2-Way Audio to communicate with a visitor.
5.2. Motion Detection
The doorbell features PIR motion detection. You can customize the motion detection sensitivity and set specific activity zones within the app to reduce false alerts. When motion is detected, you will receive an instant notification.

Image 5.2: Motion detection alert on a smartphone.
5.3. Night Vision
The integrated night vision functionality ensures clear video footage even in low-light conditions or complete darkness, with a range of up to 10 meters.
5.4. Video Storage
Your video recordings can be stored in two ways:
- Cloud Storage: Subscribe to a cloud storage plan (if available) through the Calex Smart app for secure, remote access to your video history.
- Micro SD Card: Insert a Micro SD card (up to 128GB, not included) into the doorbell's designated slot for local storage of recordings.

Image 5.3: Cloud and Micro SD card storage options.
6. Maintenance
- Cleaning: Gently wipe the doorbell's lens and body with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Firmware Updates: Regularly check the Calex Smart app for available firmware updates to ensure optimal performance and security.
- Power Cycle: If the device becomes unresponsive, disconnect it from power for a few seconds and then reconnect it.
7. Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Doorbell not connecting to Wi-Fi | Incorrect Wi-Fi password; 5GHz Wi-Fi network; too far from router | Ensure correct 2.4GHz Wi-Fi password. Move doorbell closer to router or use a Wi-Fi extender. |
| No audio during two-way communication | Microphone/speaker disabled in app; poor network connection | Check app settings for audio permissions. Ensure stable Wi-Fi connection. |
| Motion detection not working or too sensitive | Incorrect sensitivity settings; activity zones not configured | Adjust motion detection sensitivity and configure activity zones in the app. |
| Chime not ringing | Chime unplugged; out of range; not paired | Ensure chime is plugged in and within range. Re-pair chime if necessary (refer to app instructions). |
8. Technical Specifications
| Feature | Specification |
|---|---|
| Brand | CALEX |
| Model Number | 429270.1 |
| Mounting Type | Wall Mount |
| Video Recording Resolution | 1080p Full HD |
| Effective Video Resolution | 1080 Pixels |
| Viewing Angle | 140 Degrees |
| Night Vision Range | 10 Meters |
| Water Resistance Level | IP66 (Water-repellent) |
| Wireless Communication Technology | Wi-Fi |
| Connectivity Protocol | Wifi |
| Power Source | Wired Electric (5 Watt) |
| Compatible Devices | Smartphone |
| Recommended Applications | Motion Detection, Night Vision |
| Material | Plastic |
| Item Dimensions (L x W x H) | 41 x 25 x 115 mm |
| Weight | 407 Grams |
| Included Components | 1 x doorbell, 1 x chime, 1 x cable |
9. Warranty and Support
For warranty information and technical support, please refer to the official CALEX website or contact your retailer. Keep your proof of purchase for warranty claims.





