Introduction
This manual provides instructions for the safe and effective use of your Rayovac DIYHL3AAAB LED Headlight. Designed for durability and performance, this headlamp is suitable for various activities requiring hands-free illumination.

Figure 1: Front view of the Rayovac DIYHL3AAAB LED Headlight.
Product Features
- High-Performance LEDs: Provides bright and efficient illumination.
- Multiple Light Modes: Offers different brightness settings for varied needs.
- Virtually Indestructible Design: Built to withstand harsh conditions.
- Drop Tested: Survives drops from up to 30 feet.
- Water-Resistant: Designed to resist water ingress, rated IP67 for immersion up to 3 feet for 30 minutes.
- Shatterproof Lens and Reflector: Enhances durability and light integrity.
- Aluminum Construction: Lightweight yet robust build.
- Moisture-Wicking Head Strap: Ensures comfort during extended wear.
- Pivotable Head: Allows adjustment of the light beam direction.

Figure 2: The headlamp features a virtually indestructible design for extreme durability.

Figure 3: This headlamp is drop tested to survive impacts from up to 30 feet.

Figure 4: The headlamp is IP67 waterproof, capable of immersion up to 3 feet for 30 minutes.
Setup: Battery Installation
The Rayovac DIYHL3AAAB LED Headlight requires three (3) AAA alkaline batteries for operation. Batteries are typically included with the product.
- Locate the battery compartment on the rear of the headlamp unit.
- Open the battery compartment cover. This may involve a latch or a twist mechanism depending on the specific design.
- Insert three AAA alkaline batteries, ensuring the positive (+) end of each battery is aligned against the spring inside the compartment.
- Close the battery compartment cover securely to ensure water resistance and proper function.

Figure 5: Back of packaging illustrating battery replacement instructions. Ensure correct polarity when inserting batteries.
Operation
The headlamp features a single button for power control and mode selection. The pivotable head allows you to direct the light beam as needed.
Power On/Off
- To turn the headlamp ON, press the power button once.
- To turn the headlamp OFF, press and hold the power button for approximately 2 seconds, or cycle through all modes until the light turns off.
Mode Selection
Once the headlamp is on, short presses of the power button will cycle through the available light modes:
- High Mode: Provides maximum brightness for extensive illumination.
- Brightness: 100 Lumens
- Run Time: Approximately 9 hours
- Beam Distance: Approximately 30 meters
- Energy Saver Mode: Offers reduced brightness for extended battery life.
- Brightness: 25 Lumens
- Run Time: Approximately 20 hours
- Beam Distance: Approximately 17 meters
- Additional modes (if any, e.g., strobe, red light) would be accessed by further short presses.
Adjusting the Head
The head of the lamp can be tilted up or down to adjust the angle of the light beam. Gently pivot the lamp housing to achieve the desired illumination direction.
Maintenance
- Cleaning: Wipe the headlamp with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Battery Care: Remove batteries if the headlamp will not be used for an extended period to prevent leakage and damage.
- Strap Care: The moisture-wicking head strap can be hand-washed with mild soap and water if it becomes dirty. Allow it to air dry completely before reattaching.
- Storage: Store the headlamp in a cool, dry place away from direct sunlight.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headlamp does not turn on. |
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| Light is dim or flickers. |
|
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Specifications
| Model Number | DIYHL3AAAB |
| Light Source | LED |
| Brightness (Max) | 100 Lumens |
| Power Source | 3 x AAA Alkaline Batteries (included) |
| Material | Aluminum |
| Water Resistance | IP67 (Water Resistant, submersible up to 3 feet for 30 minutes) |
| Drop Resistance | Up to 30 feet |
| Item Weight | 1.64 Pounds (approx. 0.74 kg) |
| UPC | 012800524969 |
Safety Information
WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.
- Do not mix old and new batteries.
- Do not mix alkaline, standard (carbon-zinc), or rechargeable (nickel-cadmium) batteries.
- Dispose of used batteries properly according to local regulations.
- Do not look directly into the LED light beam to avoid eye injury.
- Keep out of reach of children.
Warranty and Support
For warranty information or technical support, please refer to the manufacturer's official website or contact their customer service department. Keep your purchase receipt as proof of purchase.
Manufacturer: RAY-O-VAC
Brand: Rayovac (a brand of Energizer Brands, LLC)