The Blackburn 2'Fer-XL Front or Rear Bicycle Let Set is the big brother of Blackburn's popular 2'Fer light. The Blackburn 2'Fer-XL Front or Rear Bicycle Let Set works hard, pulling double duty as either a 200-lumen front or a 40-lumen rear light, depending on your needs.

Specs

• Re-charge Type - Micro-USB rechargeable — Charges via any standard USB port (charging cable included)
• Brightness - 200 lumens front or 40 lumens rear
• Battery Type - Lithium Ion
• Country of Origin - China
• Re-charge Time - 3-hour re-charge
• Mounting Options - Universal Mount - Action-camera-style mount fits most helmets and handlebars 22–35mm in diameter; Mount to handlebars, seatposts, clip to racks, clothing, backpacks
• Product Weight - 78 grams
• Run Time -  High mode: front 2 hours at 200 lumens, rear 4 hours at 40 lumens
  Flash mode: front 6 hours at 200 lumens, rear 12 hours at 40 lumens
• Water Resistance - IP-67 submersible - Ingress protection rating, or "IP Rating," is a techy way to describe the level of water- and dust-proofness of a product. This light meets the IP-67 Standard, which means it is totally protected against dust/grit and fully protected against the effects of immersion between 15cm and 1 meter for 30 minutes.