1. Product Overview
The Relybo FP110 is a versatile and powerful LED flashlight designed for various applications, from daily use to emergency situations. It features a dual light source with a main LED and a 395nm UV light, along with a COB side light offering multiple modes. Its robust construction, rechargeable battery, and practical attachment options make it a reliable tool.
- Main Light: Ultra-bright LED with up to 500,000 lumens, illuminating an area of up to 280 m².
- UV Light: Integrated 395nm UV light for inspection purposes.
- COB Side Light: Provides broad area illumination with various color modes.
- Dual Switches: Separate controls for main/UV light and COB side light.
- 9 Lighting Modes: Adaptable for different scenarios.
- Rechargeable: Built-in battery with Type-C charging and an LCD power display.
- Durable Design: Aerospace aluminum body, IPX6 waterproof rating.
- Versatile Attachment: Strong magnetic base, anti-slip clip, and lanyard hole.
2. Package Contents
- Relybo FP110 LED Flashlight x 1
- USB-C Charging Cable x 1
- User Manual x 1
3. Setup and Initial Use
3.1 Initial Charging
Before first use, fully charge the flashlight. Connect the provided USB-C cable to the flashlight's charging port and plug the other end into a compatible USB power adapter (not included). The LCD display will show the charging progress. A full charge is indicated by '100%' on the display.

Figure 3.1: Charging the Relybo FP110 via USB-C. The LCD screen indicates battery percentage.
4. Operating Instructions
The Relybo FP110 features two independent switches for controlling the main light (LED/UV) and the COB side light.
4.1 Main LED Light and UV Light Operation
The upper switch controls the main LED light and the UV light.
- Power On/Off: Press the upper switch once to turn on the main LED light. Press again to cycle through modes. Press and hold for 2 seconds to turn off.
- Mode Cycling: With the main LED light on, short press the upper switch to cycle through: High > Medium > Low > Strobe.
- UV Mode: From any main LED light mode, press and hold the upper switch for approximately 2 seconds to switch to 395nm UV mode. Repeat the long press to switch back to the main LED light.

Figure 4.1: Switching between LED and UV light modes using the upper switch.
4.2 COB Side Light Operation
The lower switch controls the COB side light.
- Power On/Off: Press the lower switch once to turn on the COB side light. Press again to cycle through modes. Press and hold for 2 seconds to turn off.
- Mode Cycling: With the COB side light on, short press the lower switch to cycle through: High > Low > Sequential Rainbow > Red Strobe.

Figure 4.2: COB side light modes including white, rainbow, and red strobe.
5. Features and Applications
5.1 Magnetic Base
The flashlight features a strong magnetic base, allowing it to be securely attached to any metallic surface for hands-free operation. This is ideal for automotive repairs, workshop tasks, or emergency lighting.

Figure 5.1: Using the magnetic base for hands-free lighting.
5.2 Anti-Slip Clip
The integrated anti-slip clip allows for secure attachment to belts, backpack straps, pockets, or even a cap brim for headlamp-style use. This ensures the flashlight is always accessible and provides directional lighting.

Figure 5.2: Attaching the flashlight using the anti-slip clip.
5.3 Lanyard Hole
A reinforced lanyard hole provides an additional carrying option, allowing you to attach the flashlight to a keychain, wrist strap, or other gear for quick access and to prevent loss.

Figure 5.3: Using the lanyard hole for secure carrying.
5.4 IPX6 Waterproof Rating
The Relybo FP110 is designed with an IPX6 waterproof rating, making it resistant to heavy rain and splashes. This ensures reliable performance in challenging outdoor conditions.

Figure 5.4: The flashlight's IPX6 waterproof design in action.
6. Specifications
| Model Number | FP110 |
| Dimensions (L x W x H) | 13.1 x 3.6 x 2.4 cm |
| Weight | 114 grams (flashlight only), 200 grams (with packaging) |
| Material | Aerospace Aluminum (anodized finish) |
| Light Source | LED (main), 395nm UV, COB (side) |
| Brightness | Up to 500,000 Lumens (main LED) |
| Battery Type | Integrated Lithium-ion (non-replaceable) |
| Charging Port | USB Type-C |
| Waterproof Rating | IPX6 |
| Special Features | 2 Switches, 9 Modes, COB Side Light, Rechargeable, IPX6 Waterproof, Strong Magnetic Base, Anti-slip Clip, Lanyard Hole, LCD Power Display |
7. Maintenance
- Cleaning: Wipe the flashlight body with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Charging Port: Keep the USB-C port clean and free of debris. Ensure the rubber cover is properly sealed when not charging to maintain water resistance.
- Storage: Store the flashlight in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, charge the battery to approximately 50-70% every 3-6 months to prolong battery life.
8. Troubleshooting
- Flashlight not turning on:
- Ensure the battery is charged. Connect to a power source and check the LCD display.
- Verify that the correct switch is being pressed for the desired light (upper for main/UV, lower for COB).
- Light output is dim:
- The battery might be low. Recharge the flashlight.
- Ensure the lens is clean.
- Flashlight not charging:
- Check the USB-C cable and power adapter for damage. Try a different cable or adapter.
- Ensure the USB-C cable is fully inserted into the charging port.
9. Safety Information
- Eye Safety: Do not look directly into the LED light or shine it directly into the eyes of people or animals. The high intensity light can cause temporary vision impairment or permanent eye damage.
- Children: Keep this product out of reach of children.
- Heat: The flashlight may become warm during prolonged use, especially on high settings. This is normal.
- Disassembly: Do not attempt to disassemble, modify, or repair the flashlight. This will void the warranty and may cause damage or injury.
- Battery: The battery is integrated and non-replaceable. Do not attempt to remove or replace it. Dispose of the product according to local regulations for electronic waste.
- Charging: Use only the provided USB-C cable or a certified equivalent. Do not charge near flammable materials.
10. Warranty and Support
Relybo products are designed for durability and performance. For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Relybo website. Please have your model number (FP110) and purchase date ready when contacting support.