Ensures maximum visibility when you ride your bike at night.
Button 1 is for operating the light in 5 different ways: eyes & nose & teeth in sequence or all 3 a the same time, steady or flushing, etc, etc.
Button 2 fires two small laser canons that project a 'bike lane' onto the road surface 6' long red lines on either side of the bike.
Plastic, 2 AAA batteries (not included)
Fastener (included). Light can quickly be removed from fastener when parking the bike.
3.5" x 2.25" x 1.5"D