Introduction
This manual provides detailed instructions for the safe and efficient use of your OLIGHT Seeker 3 Pro 4200 Lumens Ultra-Bright LED Flashlight. Please read this manual thoroughly before operating the device and retain it for future reference.

Image: The OLIGHT Seeker 3 Pro flashlight, showcasing its design and bright output.
Package Contents
Ensure all items are present in your package:
- OLIGHT Seeker 3 Pro Flashlight (with 1 Lithium Ion battery included)
- Holster
- MCC3 USB Magnetic Charging Cable x 1
- User Manual x 1 (this document)

Image: A visual representation of the items included in the OLIGHT Seeker 3 Pro package.
Setup
1. Initial Charging
Before first use, fully charge the flashlight. Connect the MCC3 USB Magnetic Charging Cable to a USB power source and attach the magnetic end to the tail cap of the flashlight. The indicator on the cable will show charging status. The MCC3 cable supports up to 2A charging current.

Image: The flashlight connected to its magnetic charging cable, illustrating the charging process.
2. Smart Lockout Feature
The Seeker 3 Pro features a smart lockout mechanism. After 30 seconds of non-operation, the flashlight automatically locks out to prevent accidental activation. To unlock, rotate the rotary knob switch over 90 degrees.

Image: A hand rotating the flashlight's knob to unlock the device, with an icon indicating the lockout feature.
3. Proximity Sensor
The flashlight includes a built-in thermal and proximity sensor for safety. This sensor automatically dims higher output modes if the lens is obstructed, preventing overheating. The proximity sensor can be disabled if desired, as detailed in the operating section.

Image: The flashlight's beam being dimmed by the proximity sensor when placed inside a bag.
Operating Instructions
1. Power On/Off
Press the side switch once to turn the flashlight on or off.
2. Adjusting Brightness Levels
The Seeker 3 Pro features a highly integrated rotary knob switch. Rotate the knob to access five distinct brightness levels or for stepless dimming. The indicators surrounding the rotary knob display the current brightness and battery levels in real-time.

Image: The rotary knob interface with clear indicators for brightness and battery status.
3. Mode Switching
Long-press the side switch to cycle through different light modes (e.g., Moonlight, Low, Medium, High, Turbo, Strobe). Release the switch to select the desired mode.
4. Battery and Brightness Indicators
The indicators around the rotary knob provide immediate feedback on the flashlight's status:
- Brightness Level Indicator: Shows the current output level.
- Battery Level Indicator: Displays the remaining battery charge.
Maintenance
1. Charging
Regularly charge your Seeker 3 Pro using the provided MCC3 magnetic charging cable to ensure optimal performance. A full charge takes approximately 4.5 hours.
2. Cleaning
Keep the flashlight clean, especially the lens and charging contacts, to maintain efficiency. Use a soft, damp cloth for cleaning. Avoid abrasive materials.
3. Water Resistance
The Seeker 3 Pro is waterproof. However, ensure the tail cap is securely tightened before exposing it to water to maintain its water-resistant integrity.

Image: The flashlight operating in wet conditions, demonstrating its waterproof design.
Troubleshooting
- Flashlight not turning on: Check if the battery is charged. Ensure the smart lockout feature is disengaged by rotating the knob switch over 90 degrees.
- Light output is dimming unexpectedly: The proximity sensor may be detecting an obstruction. Clear any objects from the lens area.
- Charging issues: Ensure the MCC3 magnetic charging cable is properly connected to both the power source and the flashlight's tail cap. Clean the magnetic contacts if necessary.
Specifications
| Feature | Detail |
|---|---|
| Brand | OLIGHT |
| Model | Seeker 3 Pro |
| Max Output | 4200 Lumens |
| Max Throw | 250 Meters |
| Power Source | 1 Lithium Ion Battery (included) |
| Charging | MCC3 USB Magnetic Charging Cable (up to 2A) |
| Special Features | Smart Lockout, Proximity Sensor, Rotary Knob Switch, Real-time Indicators |
| Water Resistance Level | Waterproof |
| Material | Silicone (grip) |
| Product Dimensions | 6.1"D x 2.72"W x 2.32"H |
| Item Weight | 0.6 Ounces |

Image: A table detailing the output, runtime, and throw distance for each of the flashlight's modes.
Official Product Video
Video: An official product video showcasing the OLIGHT Seeker 3 Pro flashlight's features and capabilities.
Warranty and Support
The OLIGHT Seeker 3 Pro comes with a lifetime warranty for products purchased after January 1st, 2023. For further support or warranty claims, please refer to the official OLIGHT website or contact customer service.
For more information, visit the OLIGHT Store.





