SmartFind_S20 AIS MOB Device is a personal device AIS MOB (man of board), designed to save people overboard. Made in a lightweight compact casing, which allows you to always have the device with you. SmartFind S20 is specially designed as a personal search and rescue device AIS for fast and efficient search of the missing crew member. It is compatible with many existing AIS graphics plotters and on-board navigation systems. Provides a reliable and economical solution for crew safety. SmartFind S20transmits GPS location information and serial identification number. A built-in high-precision GPS receiver provides accurate position information for rapid detection. SmartFind S20 will work continuously for 24 hours and has a 7-year battery life. It is also equipped with an LED indicator that helps with searching at night.