Features:

• Ultra Bright Red LED (15 Lumens Max. Output)
• Powerful Magnetic Helmet Mount System With Simple Install/Removal
• Easy Battery Replacement
• Last Mode Memory (Light Remains In Last Mode Used At Power On)
• Light Designed To Safely Disengage, or "Break Away," From Bike Helmet Mount In The Event Of Impact *(Mitigates Potential For Helmet Malfunction Or Failure That Would Lead To Compromised Protection)

Specs:

• Modes:
  
  • Solid: High - 35 Hours (6 Lumens) / Low - 45 Hours (3 Lumens)
  • Flash: Daytime High Flash - 60 Hours (15 Lumens) / High Flash - 40 Hours (8 Lumens) / Low Flash - 100 Hours (3 Lumens)
• Weight: 18 Grams w/ Bracket
• Battery: (2x) Lithium CR2032 (Pre-Installed Batteries Included w/ Plastic Pull Tab To Activate Before First Use)
• Light Body Dimensions: 29 x 29 x 20mm