Introduction
This manual provides instructions for the PIKOY Aurora Northern Lights Projector, Model WH-E22. This device integrates a Northern Lights projector, a white noise sound machine, and a Bluetooth speaker to create a versatile ambient experience. Please read this manual thoroughly before use to ensure proper operation and to maintain the product's longevity.
Important Safety Information
- Ensure the power source matches the device's requirements.
- Do not expose the device to extreme temperatures or humidity.
- Keep out of reach of children and pets.
- Do not disassemble or attempt to repair the device yourself. Contact customer support for assistance.
- Avoid direct eye exposure to the light source for extended periods.
- This product is designed for indoor use only.
Package Contents
Verify that all items are present in the package:
- PIKOY Aurora Northern Lights Projector (Model WH-E22)
- Remote Control
- USB Power Cable
- User Manual
Setup
- Unpack the Device: Carefully remove the projector and all accessories from the packaging.
- Power Connection: Connect the provided USB power cable to the projector's power input port. Plug the other end of the USB cable into a compatible USB power adapter (not included) or a USB port on another device (e.g., a lamp with a USB port).

Image: The PIKOY Aurora Projector connected to a USB power source, demonstrating the power connection.
- Remote Control: Ensure the remote control has working batteries. If not, insert 2 AAA batteries (not included) according to the polarity markings.
- Placement: Place the projector on a stable, flat surface. For optimal Northern Lights projection, position the device in the center of the room or at a suitable distance from the ceiling and walls to achieve the desired coverage.
Operating Instructions
Power On/Off
- Press the Power button (⏻) on the remote control or the main power button on the device to turn it on or off.
Northern Lights Projection
The projector offers 18 colors and 162 lighting modes to create a dynamic Northern Lights effect.
- Color Selection: Use the color buttons (R, G, B, W, Y, etc.) on the remote to select single colors or combinations.
- Brightness Adjustment: Press the Brightness Up (▲) or Brightness Down (▼) buttons to adjust the light intensity (3 levels available).
- Mode Selection: Use the 'M' button on the remote to cycle through different lighting modes and effects.

Image: The projector casting vibrant Northern Lights patterns in various colors onto a room's ceiling and walls.
Bluetooth Speaker Function
The device features a 5.3 HiFi Bluetooth speaker for playing music or audio.
- Pairing: Turn on the projector. Activate Bluetooth on your mobile device and search for "WH-E22" (or similar name). Select it to pair.
- Playback: Once paired, you can play audio from your device through the projector's speaker. Use your mobile device or the remote control for volume adjustment and track selection.

Image: A couple relaxing in a room with the projector displaying warm light, indicating the Bluetooth speaker function.
White Noise Sound Machine
The projector includes 15 built-in white noise sounds to aid relaxation and sleep.
- Sound Selection: Press the Music button on the remote to cycle through the 15 built-in white noise sounds (lullabies, nature sounds like rain, sea waves, fan, bird singing, etc.).
- Volume Control: Adjust the volume using the remote control's volume buttons.
Timer Function
Set a timer for automatic shutdown.
- Press the 1H button on the remote for a 1-hour timer.
- Press the 8H button on the remote for an 8-hour timer.
- To cancel the timer, press the timer button again or turn off the device.

Image: The remote control with 1-hour and 8-hour timer options, positioned near the projector in a child's bedroom.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the surface of the projector. Do not use abrasive cleaners or solvents.
- Storage: When not in use for extended periods, store the device in a cool, dry place, away from direct sunlight.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | No power or loose connection. | Check the USB cable connection and ensure the power adapter is working. |
| Remote control not working. | Dead batteries or obstruction. | Replace remote batteries. Ensure no obstacles between the remote and the projector. |
| Bluetooth not connecting. | Device not in pairing mode or already connected to another device. | Ensure Bluetooth is enabled on your mobile device and the projector is discoverable. Disconnect from other Bluetooth devices. |
| Projection is dim or unclear. | Room too bright or incorrect placement. | Ensure the room is dark. Adjust the projector's position and brightness settings. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | WH-E22 |
| Product Dimensions | 4.72"D x 4.72"W x 5.63"H |
| Item Weight | 0.83 Kilograms (1.83 pounds) |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Light Source Type | LED |
| Number of Light Sources | 5 |
| Light Colors | 18 colors, multi-color projection |
| Lighting Modes | 162 modes |
| Brightness Levels | 3 |
| Bluetooth Version | 5.3 HiFi |
| Built-in White Noise Sounds | 15 (lullabies, nature sounds) |
| Power Source | Corded Electric (USB) |
| Special Feature | Remote Control, Timer (1H, 8H) |
| Indoor/Outdoor Usage | Indoor |
| Is Waterproof | True |
Warranty and Support
For warranty information or technical support, please refer to the contact details provided on the product packaging or visit the official PIKOY website. Keep your purchase receipt as proof of purchase for any warranty claims.