SERFAS Thunderbolt USB Head Light

Durable Silicone Rubber Encased Light Body

Very Bright For Its Size – 90 Lumen Output

Highly Versatile Mounting Possibilities

4 Lighting Modes

Built-In USB Charging

Water Resistant Construction

Limited Lifetime Warranty
Serfas® warrants to the original purchaser that the product is free of defects in material, construction, and/or workmanship for the lifetime of the product.

Battery Warranty – One Year Coverage
Serfas® batteries are covered by a 1 year warranty from the original date of purchase.

Features:

• USB Rechargeable
• Charge Indicator Light
• Includes Longer Strap To Allow More Mounting Options
• Removable Straps Allow Endless Mounting Options
• LED Strip Creates A Non-Directional Flood Of Light

Specs:

• Modes:
  • High (90 Lumens): 1.5 hrs
  • Low (30 Lumens): 4.25 hrs
  • High Flash (90 Lumens): 2.5 hrs
  • Low Flash (30 Lumens): 8 hrs
• Weight: 54 Grams With Bracket
• Battery: 500 mAh Lithium Polymer