From the Manufacturer:

1. New and high quality

2. Power-saving and pragmatic illumination

3. LED life lasts for over 100000 hours, no consideration for changing light

4. Can clamp on the brim, meet the need of cap and illumination

5. Strengthened the design of water proof

6. Can be used in mountain climbing, fishing, campimg in open air, night walking, riding, repairing electric circuit, etc.

7. The switch pattern: side button

8. LED Cap Light 5 LED is new and never used. It is a LED light bulb with a long lifespan.

Specifications:

1. Condition: New

2. Color: Black

3. Qty LED: 5

4. Power By: 2 lithium coin cell batteries

5. The Switch Pattern: Side Button

6. Demensions: 3.35 x 1.97 x 0.79inch/8.5 x 5 x 2cm(L x W x H)

Includes:

1 x 5 LED Cap Light

2 x 3V button battery