The Serfas Moon MX 400 Headlight & Computer Stem Mount features a dual beam with 1 high brightness LED COB for optimal illumination. With a max lumens of 400 and max runtime of 31 hours, this lightweight light is perfect for long rides. Its rechargeable Li-PO battery and compact size make it a convenient and reliable option for any cyclist.

Features:

• Dual Beam: 1 pc high brightness LED COB
• Max. Lumens: 400LM (FL-1 tested)
• Max. Runtime: 31 hrs (FL-1 tested)
• Battery Type: Li-PO built-in
• Recharge Time: 2:45 hrs
• Weight: 100g
• Size L: 3.5″ W: 1.75″ H: 0.75″