LED light for SOLAS/Med approved lfie belts and life jackets, automatic activation when in contact with water. Eco-friendly lithium battery included (5 year lifespan). Duration of Flash White LED +/- 16 hours, frequency: 51 to 54 flashes per minute. Equipped with tamper-proof clips on the strap. Range: 2 nautical miles. Dimensions:
Dimensions: 63x25x24mm, weight 37g with clip.