1. Introduction
This manual provides detailed instructions for the safe and effective use of your AugustknowU Mini Flashlight, Model 1N94238U3AP899A1RM81A92RMGHN89. Please read this manual thoroughly before operating the device and retain it for future reference.

Front view of the AugustknowU Mini Flashlight, showcasing its compact design, black aluminum alloy body, orange accent ring, and integrated pocket clip.
2. Safety Information
To ensure safe operation and prevent damage to the product or injury, please observe the following precautions:
- Do not place the flashlight at a high location where it may fall.
- Avoid direct eye exposure to the LED light.
- Keep out of reach of children.
- Do not attempt to disassemble or modify the flashlight, as this may void the warranty and cause damage.
- Dispose of batteries according to local regulations.

This image displays manufacturing information and important safety warnings in multiple languages, advising users not to place the product at a high place to avoid falling.
3. Product Overview
The AugustknowU Mini Flashlight is a compact and portable lighting device designed for various applications. It features a durable aluminum alloy construction, dual LED light sources (white and yellow), and an IPX4 waterproof rating.
Features:
- Compact and portable design.
- Dual LED light sources (white and yellow).
- IPX4 waterproof rating.
- Durable aluminum alloy material.
- Simple operation with a tail cap switch.

An image showing the flashlight held comfortably in a hand, illustrating its small and portable form factor.

This image visually confirms the flashlight's IPX4 waterproof rating, showing water droplets on its surface, indicating resistance to splashing water from any direction.

An illustration depicting the flashlight's capability to emit both white and yellow light, with circular representations of each light color.
4. Specifications
| Attribute | Detail |
|---|---|
| Brand | AugustknowU |
| Model | 1N94238U3AP899A1RM81A92RMGHN89 |
| Lamp Type | LED dual light source (White + Yellow) |
| Output Power (Maximum) | 3W |
| Running Time (Maximum) | 10 hours (battery life varies) |
| Material | Aluminum alloy |
| Battery Type | 2 x AAA (not included) |
| Dimensions | 128mm (Length) x 14mm (Diameter) / 5.04 x 0.55 inches |
| Weight | 1.45 ounces (approx. 41g) |
| Waterproof Rating | IPX4 |

This image provides a visual representation of the flashlight's dimensions and a table detailing its specifications.
5. Setup
5.1 Battery Installation
- Unscrew the tail cap of the flashlight by turning it counter-clockwise.
- Insert two AAA batteries into the battery compartment, ensuring the correct polarity (+/-) as indicated inside the flashlight.
- Screw the tail cap back on clockwise until it is securely tightened.

Another perspective of the flashlight being held, focusing on the rear cap where the power button is located.
6. Operation
6.1 Power On/Off
- Press the button on the tail cap once to turn the flashlight on.
- Press the button again to turn the flashlight off.
6.2 Switching Light Modes
- When the flashlight is on, lightly press the tail cap button (without fully clicking) to cycle between white light and yellow light modes.
- A full press will turn the flashlight off.

An image demonstrating how to operate the flashlight by pressing the button located on the tail cap.
7. Maintenance
- Cleaning: Wipe the flashlight body with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Battery Replacement: Replace batteries when the light dims or fails to turn on. Always use fresh AAA batteries.
- Storage: If the flashlight will not be used for an extended period, remove the batteries to prevent leakage and corrosion. Store in a cool, dry place.
8. Troubleshooting
- Flashlight does not turn on:
- Check if batteries are inserted correctly with the correct polarity.
- Ensure batteries are fresh and not depleted.
- Tighten the tail cap securely.
- Light is dim or flickers:
- Replace batteries with new ones.
- Ensure battery contacts are clean.
- Water ingress (despite IPX4 rating):
- While IPX4 rated for splash resistance, it is not designed for submersion. If water enters, remove batteries and allow to dry completely before re-use. Contact support if issues persist.
9. Warranty and Support
This product comes with a standard manufacturer's warranty. For warranty claims, technical support, or any inquiries regarding your AugustknowU Mini Flashlight, please contact your retailer or the manufacturer directly.
Manufacturer: AugustknowU
Model: 1N94238U3AP899A1RM81A92RMGHN89