1. Introduction
The echosari Smart Curtain Lights (Model DMO-300) are a versatile lighting solution featuring 400 RGB&IC LEDs across a 6.6 x 6.6ft area. These lights offer dynamic and customizable lighting effects, suitable for various indoor and outdoor decorative applications. Control is available via a dedicated mobile application or the included remote control, providing flexibility in managing colors, patterns, and modes.
Key features include:
- Dynamic LED Lights: 400 bright LEDs for vibrant and colorful effects.
- DIY Modes & Music Sync: Create custom lighting patterns or synchronize lights with music.
- App & Remote Control: Convenient control options for brightness, colors, and modes.
- USB Powered Design: Easy connection to various USB power sources for flexible placement.
- Versatile Occasions: Ideal for bedrooms, living rooms, parties, holidays, and more.

Figure 1.1: echosari Smart Curtain Lights illuminating a house exterior with festive patterns.
2. Safety Information
Please read and understand all safety instructions before installation and use. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- Do not expose the USB connector to water or moisture. Ensure the power source is dry.
- Use only with a compatible USB power adapter (5V/2A recommended).
- Do not attempt to repair or modify the lights. Contact customer support for assistance.
- Keep out of reach of children and pets.
- Avoid excessive pulling or bending of the light strings to prevent damage.
- Unplug the lights from the power source before cleaning or when not in use for extended periods.
3. Package Contents
Verify that all items are present in the package:
- 1 x echosari Smart Curtain Lights (400 LED, 6.6 x 6.6ft)
- 1 x Remote Control
- 1 x USB Power Cable (integrated)
- 1 x CR2032 Battery (pre-installed in remote control)
4. Setup Instructions
Follow these steps for proper installation and initial setup:
- Unpack Carefully: Gently remove the curtain lights from the packaging. The strings can tangle easily. It is recommended to hang the main horizontal cable first before carefully unraveling each vertical string.
- Mounting: Hang the main horizontal cable of the curtain lights in your desired location. Ensure it is securely fastened. The lights are designed to hang vertically, creating a curtain effect.
- Power Connection: Connect the integrated USB power cable to a compatible USB power source (e.g., a USB wall adapter, power bank, or computer USB port). Ensure the power source provides sufficient current (5V/2A recommended).
- Initial Power On: Once connected, the lights should illuminate.
- App Download: Scan the QR code provided in the product packaging (if available) or search for the "Smart echosari" app (or similar name as indicated in product materials) on your mobile device's app store (iOS App Store or Google Play Store).
- App Pairing: Open the app and follow the on-screen instructions to pair your smart curtain lights. This typically involves enabling Bluetooth on your device and selecting the lights from a list of discoverable devices.

Figure 4.1: Example of multiple echosari Smart Curtain Lights synchronized for a large display.
5. Operating Instructions
The echosari Smart Curtain Lights can be controlled via the mobile app or the included remote control.
5.1. Mobile App Control
The dedicated mobile app offers comprehensive control over your lights:
- Color Selection: Choose from a wide spectrum of colors and adjust brightness.
- Pre-set Modes: Select from various dynamic lighting modes and effects.
- DIY Patterns & Text: Create and customize your own lighting patterns, display text, or upload GIF images to personalize your display.
- Music Sync Mode: Activate this feature to make the lights react and dance to the rhythm of music played through your device's microphone.
- Schedule & Timer: Set specific times for the lights to turn on or off automatically.

Figure 5.1: App interface showing options for DIY patterns and text displays.
5.2. Remote Control
The included remote control provides quick access to basic functions:
- Power On/Off: Turn the lights on or off.
- Mode Selection: Cycle through various pre-set lighting modes.
- Brightness Adjustment: Increase or decrease the light intensity.
- Color Change: Select basic colors directly.
- Timer: Activate basic timer functions (e.g., 6 hours on, 18 hours off).
6. Maintenance
Proper care ensures the longevity of your echosari Smart Curtain Lights:
- Cleaning: Disconnect from power. Gently wipe the lights with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: When not in use, carefully coil the lights to prevent tangling. Store them in a cool, dry place away from direct sunlight.
- Battery Replacement (Remote): If the remote control's range decreases or it stops responding, replace the CR2032 battery. Ensure correct polarity.
7. Troubleshooting
If you encounter issues, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Lights do not turn on. | No power, faulty USB connection, power source issue. | Ensure USB cable is securely connected. Try a different USB power source or adapter. Check if the power outlet is functional. |
| Some lights are not working. | Damaged LED string, internal wiring issue. | Inspect the affected section for visible damage. If a section is completely out, contact customer support. Do not attempt to repair. |
| Remote control not working. | Dead battery, obstruction, out of range. | Replace the CR2032 battery in the remote. Ensure there are no obstructions between the remote and the USB receiver. Move closer to the lights. |
| App cannot connect to lights. | Bluetooth off, lights not in pairing mode, app issue. | Ensure Bluetooth is enabled on your mobile device. Restart the app and try pairing again. Unplug and replug the lights to reset them. |
| Lights are tangled during setup. | Improper unpacking or handling. | Hang the main horizontal cable first. Carefully untangle each vertical string one by one, starting from the top. Patience is key. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | DMO-300 |
| Brand | echosari |
| Light Source Type | LED (400 count) |
| Light Color | RGB Built-in Chip (RGB&IC) |
| Dimensions | 6.6 x 6.6 ft |
| Power Source | Corded Electric (USB Powered) |
| Voltage | 24 Volts |
| Wattage | 5 watts |
| Control Method | App, Remote Control, Button Control |
| Special Features | APP Control, Color Changing, Energy Efficient, Remote Controlled, Timer, Music Sync, DIY Pattern |
| Indoor/Outdoor Usage | Indoor, Outdoor |
| Water Resistance Level | Waterproof (IP65 rated for lights, USB connector should be protected) |
| Remote Battery | 1 x CR2032 (included) |
| Item Weight | 14.9 ounces |
| Manufacturer | Linhai Dema Lighting Co Ltd |
9. Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official echosari website. Keep your purchase receipt for warranty claims.