Lamda Inflatable Lifejacket Auto Adult 275N + 150N, SOLAS- 275N (code:71216) + 150N (code:71107) of buoyancy - SOLAS Approval - Automatic & manual activation - With refective tapes & whistle Ocean Signal Man Over Board Locator Beacon MOB1- Already Pre-installed into the lifejacket - AIS (Automatic Identification System) - Integrated DSC transmitter (digital selective calling) - 30% (typ) smaller than competitors - Automatic activation - Simple lifejacket integration - 7 year battery life - 24+ hours operational life - 5 year warranty - Fast accurate positioning The MOB1 is intended to be installed within the life-jacket and will activate automatically on inflation, sending the first alert within 15 seconds. The MOB1 is waterproof to 10 meters.