GiftU corporate gift search enginee, provides customised outdoor/summer gift ideas, welcome small orders, professional solution, quality guaranteed 

Mode: High - Strobe
Adjustable length from 18~22 cm to fit your wrist.
Velcro closure, easy and convenient to wear and remove.
Power supply: 2 x CR2032 batteries (included).
Can be tied around your wrist, arm, leg, bikes as a warning light.
Great for outdoor sports, night running, large-scale festival party, concert etc.