The PLB MOB (Man Overboard) mod. W400 is an extremely small and light personal safety device.
It can be worn around the neck by its flexible silicone rubber covered antenna or it can be fitted directly into the lifejacket.
It can be manually activated (by pressing the large button) or automatically through the marine sensors. It is equipped with built-in high efficiency flashing led. Also available in ATEX version (W400EX) , ATEX II 3G Ex ic IIB T4 Gc.