A reliable and inexpensive emergency signaling strobe for life preservers. Slim and lightweight design fits easily in a pocket  or attaches to a life vest or jacket with stainless steel clip pin, hook & loop strap or the included C-clip. C-clip allows for attachment to oral inflation tubes, etc.  Twist on/off control can be operated by gloved hands.  USCG 161.012/41/0 approved.