1. Introduction
Thank you for choosing the Combuh 30W LED Ceiling Light with Motion Sensor. This manual provides essential information for the safe installation, operation, and maintenance of your new ceiling light. Please read these instructions carefully before installation and retain them for future reference.
This LED ceiling light features a high-efficiency motion sensor, IP56 waterproof rating, and provides 2400 lumens of 6500K cool white light, equivalent to a 150W traditional incandescent lamp. It is designed for various indoor and outdoor applications such as hallways, garages, bathrooms, and balconies.
2. Product Features
- High-Efficiency Motion Sensor: Detects motion within a 5-meter range and a 360° detection angle. The light remains on for 30 seconds after motion is detected and automatically turns off when no motion is present.
- Energy Saving: 30W LED provides 2400 lumens of 6500K cool white light, comparable to a 150W incandescent bulb, offering up to 90% electricity savings.
- IP56 Waterproof Rating: Suitable for damp environments, preventing dust and moisture ingress. Ideal for bathrooms, balconies, and outdoor covered areas.
- Easy Installation: Features a removable bracket and sliding closure for quick and straightforward mounting on walls or ceilings.
- Durable Construction: Made from eco-insulated ABS material, ensuring high light output, energy efficiency, and a long lifespan of over 30,000 hours.


3. Package Contents
Please check the package for the following items:
- Combuh 30W LED Ceiling Light with Motion Sensor (Ø25CM)
- Mounting Bracket
- Screws and Wall Plugs
- User Manual (this document)
4. Specifications
| Feature | Specification |
|---|---|
| Model | Ø25CM |
| Power Consumption | 30 Watts |
| Luminous Flux | 2400 Lumens |
| Color Temperature | 6500K (Cool White) |
| Voltage | 220 Volts |
| Waterproof Rating | IP56 |
| Motion Sensor Range | 3-5 meters |
| Motion Sensor Angle | 360° detection, 120° beam |
| Auto-off Delay | 30 seconds (after no motion) |
| Lifespan | Over 30,000 hours |
| Material | Plastic (ABS) |
| Dimensions (Diameter x Height) | 25 cm x 4 cm |
| Weight | 440 Grams |
| Energy Label | E |
| Mounting Type | Flush Mount (Ceiling) |
5. Safety Instructions
- Always turn off the main power supply before installation, maintenance, or cleaning.
- Installation should be performed by a qualified electrician or a person with sufficient electrical knowledge to ensure safety.
- Ensure the mounting surface is solid and can support the weight of the fixture.
- Do not connect the light to a dimmer switch, as this may damage the motion sensor or LED components.
- Do not look directly into the LED light source when it is on, as it may cause eye strain.
- Keep the product away from corrosive chemicals.
- This product is rated IP56, making it suitable for damp locations, but it should not be submerged in water.
6. Installation
Follow these steps for safe and correct installation:
- Prepare for Installation: Turn off the power at the circuit breaker before starting. Gather necessary tools (drill, screwdriver, wire strippers).
- Fix the Mounting Bracket: Position the mounting bracket on the ceiling or wall where you intend to install the light. Mark the drill holes. Drill holes and insert wall plugs if necessary. Secure the bracket firmly with screws.
- Connect the Wires: Carefully connect the electrical wires from your ceiling to the terminals on the light fixture. Ensure a secure and proper connection (Live to Live, Neutral to Neutral). If unsure, consult a qualified electrician.
- Mount the Light Fixture: Align the light fixture with the mounting bracket. Push the ceiling lamp body onto the base, ensuring the internal sheet metal makes full contact and the fixture is securely attached using the sliding closure mechanism.
- Restore Power: Once the light is securely installed, turn the power back on at the circuit breaker.

7. Operating Instructions
The Combuh LED Ceiling Light is equipped with an integrated motion sensor for automatic operation.
- Automatic Activation: The light will automatically turn on when motion is detected within its 3-5 meter range and 360° detection angle.
- Automatic Deactivation: After motion ceases, the light will remain illuminated for approximately 30 seconds before automatically turning off.
- Continuous Illumination: If continuous motion is detected within the sensor's range, the light will remain on.


8. Maintenance
To ensure the longevity and optimal performance of your Combuh LED Ceiling Light, follow these maintenance guidelines:
- Cleaning: Disconnect power before cleaning. Wipe the fixture with a soft, dry, or slightly damp cloth. Do not use abrasive cleaners, solvents, or harsh chemicals, as these can damage the finish or electrical components.
- Inspection: Periodically check the fixture for any signs of damage, loose connections, or wear. If any issues are found, disconnect power and consult a qualified technician.
- Sensor Area: Keep the area around the motion sensor clear of obstructions to ensure proper detection.
9. Troubleshooting
If you encounter issues with your Combuh LED Ceiling Light, refer to the following troubleshooting guide:
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on | No power supply Loose wiring Sensor malfunction | Check circuit breaker and wall switch. Ensure wires are securely connected (power off first). Test sensor by moving within range. |
| Light stays on continuously | Constant motion detected Sensor obstructed Sensor malfunction | Ensure no continuous movement in the detection area. Clear any objects blocking the sensor. Turn off power for 1 minute, then restore. If issue persists, contact support. |
| Light turns on/off randomly | Interference Sensor sensitivity | Ensure no heat sources or air currents (e.g., vents) are near the sensor. Ensure the sensor is not picking up motion from outside its intended area. |
| Light is dim or flickers | Voltage fluctuation Damaged LED components | Ensure stable power supply. If flickering persists, contact customer support. |
10. Warranty and Support
The Combuh 30W LED Ceiling Light comes with a 1-year warranty from the date of purchase, covering manufacturing defects. This warranty does not cover damage caused by improper installation, misuse, accidents, or unauthorized modifications.
For technical support, warranty claims, or any questions regarding your product, please contact Combuh customer service through the retailer where you purchased the product or visit the official Combuh website for contact information.
Please have your purchase receipt and product model information (Ø25CM, ASIN: B08BYJ9LJ9) ready when contacting support.