1. Introduction
The HaveDeer SC20 Tuya ZigBee Smart Knob Switch is a versatile 2-in-1 device functioning as both a wireless scene switch and a remote dimmer. It integrates seamlessly with your Tuya Smart Life App ecosystem, allowing for intuitive control of various smart devices and the creation of intelligent automation scenes. This battery-powered device offers multiple interaction modes including single press, double press, long press, and rotation, providing flexible control over your smart lighting and other connected appliances.
2. What's in the Box
- Smart Knob Switch
- User Manual
- Magnetic Suction Base
- 3M Adhesive Sticker
3. Specifications
| Feature | Description |
|---|---|
| Product Name | Smart Knob Scene Switch (SC20) |
| Dimensions | 44.8 x 44.8 x 18.8 mm |
| Power Supply | CR2032 3V DC Battery (not included) |
| Wireless Control | Zigbee 3.0 |
| Working Voltage | DC 3V |
| Working Current | Standby current < 5uA / Maximum current ≤ 10mA |
| Wireless Transmission Distance | Open range ≥ 30m |
| Operating Temperature | -10°C ~ 45°C (14°F ~ 113°F) |
| Working Humidity | < 90% relative humidity (no condensation) |
| Battery Life | Approximately 1 year |
| Certification | CE, FCC, RoHS, UL |
4. Setup
4.1. Install the Battery
- Remove the back cover of the knob switch.
- Insert a CR2032 3V DC battery, ensuring correct polarity (+/-).
- Replace the back cover.
4.2. Download the App
The Smart Knob Switch requires the Tuya Smart or Smart Life App. Scan the QR code provided in the quick guide or search for "Tuya Smart" or "Smart Life" in your mobile app store to download and install the application.
4.3. Pairing with Tuya ZigBee Gateway
A Tuya ZigBee Gateway (hub) is essential for the Smart Knob Switch to function and connect with other smart devices. Ensure your gateway is already set up and connected to the app.
- Open the Tuya Smart or Smart Life App.
- Long press and hold the button on the Smart Knob Switch for 6 seconds. The LED indicator will start flashing, indicating it's in pairing mode.
- In the App, navigate to your ZigBee Gateway and select 'Add subdevice' or 'Search device'.
- The App will discover the Smart Knob Switch. Follow the on-screen prompts to add it.
- Once successfully added, you can configure the switch within the App.
4.4. Installation Location
The Smart Knob Switch is designed for easy installation without wiring. It comes with a magnetic suction base and 3M adhesive, allowing you to place it conveniently where needed.
5. Operating Instructions
The Smart Knob Switch supports two main operating modes: Remote Mode and Scene Mode.
5.1. Remote Mode (Default)
In Remote Mode, the switch directly controls a paired ZigBee light bulb. To ensure proper functionality, the first time you add a smart light, you MUST press the button on the switch to activate its memory.
- Single Press: Turns the ZigBee light bulb ON/OFF.
- Rotate: Adjusts the brightness (dimming) of the light.
- Press and Rotate: Sets the color temperature of the light.
- Long Press (>3s): Sets the color of the light.
Note: The specific operations may vary depending on the model and features of the smart light being controlled.
5.2. Scene Mode
In Scene Mode, the switch triggers pre-configured smart scenes or automations within the Tuya Smart Life App. This allows you to control multiple devices or set specific conditions with a single action.
- Switching to Scene Mode: Perform three consecutive clicks on the knob switch to switch from Remote Mode to Scene Mode.
- Customizing Scenes: Within the Tuya Smart Life App, you can customize the scene mode and assign specific functions to each button action (single click, double click, long press, rotate left, rotate right).
- Creating Automations: Use the App to create intelligent automations (Tap-to-Run tasks) that are triggered by the knob switch's actions. For example, a 'Home Mode' scene could turn on specific lights, adjust the thermostat, and close smart curtains.
6. Maintenance
6.1. Battery Replacement
The Smart Knob Switch is powered by a CR2032 3V DC battery. When the device's performance degrades or it stops responding, it may be time to replace the battery. Follow the battery installation steps in Section 4.1.
6.2. Cleaning
To clean the device, gently wipe it with a soft, dry cloth. Do not use liquid cleaners or abrasive materials, as these may damage the device.
7. Troubleshooting
- Device not responding: Check the battery level and replace if necessary. Ensure the device is within range of the ZigBee Gateway.
- Pairing issues: Make sure the ZigBee Gateway is online and in pairing mode. Long press the knob switch button for 6 seconds until the LED flashes to re-enter pairing mode.
- Inconsistent operation: Note that the specific operations (e.g., color setting, dimming range) may vary depending on the smart lights or devices you are controlling. Refer to the documentation for your smart lights for compatibility details.
- Scene mode not working: Ensure you have correctly configured the scenes and automations in the Tuya Smart Life App. Verify that the knob switch is in Scene Mode (three consecutive clicks to switch).
- Device requires a gateway: This product must be used with a Tuya ZigBee Gateway and cannot function independently with other smart devices.
8. User Tips
- Optimal Placement: For best signal strength and responsiveness, try to place the knob switch within a reasonable distance of your ZigBee Gateway.
- Battery Life: To maximize battery life, avoid excessive rapid presses or rotations if not necessary.
- App Customization: Explore the full range of customization options in the Tuya Smart Life App to create complex and personalized smart home automations.
- Firmware Updates: Periodically check the Tuya Smart Life App for any available firmware updates for your ZigBee Gateway and the knob switch to ensure optimal performance and new features.
9. Warranty & Support
For detailed warranty information and technical support, please refer to the official product documentation or contact the seller directly. A comprehensive user manual in PDF format is available for download: User manual (PDF).
