\"The Safe - Link R10 SRS (Survivor Recovery System), the first of its kind, a personal AIS (Automatic Identification System) device designed to be fitted to a lifejacket and assist in Man Overboard recovery. - Link R10 transmits target survivor information, including structured alert messages, GPS position information and a unique serialised identity number back to the onboard plotter*. An inbuilt high precision GPS receiver provides accurate position information to assist in quick recovery of survivors. - It will transmit continuously for a minimum of 24 hours and has a 7 year battery storage life. - It also features a flashing LED indicator light; to aid detection at night and a self test facility with battery use indication.\" « less