The Ocean Signal rescueMe PLB3 is a very compact personal locator beacon. It transmits the emergency alarm including the exact GPS position via Cospas-Sarsat (406 MHz) and additionally via AIS. This way, as many potential rescuers as possible are informed that a person is in the water. This significantly increases the probability of a quick rescue.Before delivery, the MMSI of your vessel must be programmed into the EPIRB.To do this, please select the initial programming (Article-No. 3957-000) under "Accessories" further down on this page. In the last step of the order process, you can enter the required ship data under "Remarks": Ship name, MMSI, IMO no., call sign, flag. Would you like to use the PLB on different yachts or in a sea kayak? Then you can alternatively register the emergency transmitter in the UK using the device's own ID number. The number and details of the corresponding homepage are enclosed with the device. If you want the PLB without programming the MMSI, please indicate this under ‘Remarks’ in your order.The release is automatic when the PLB3 has been attached to the automatic lifejacket with the supplied mounting clip. Alternatively, manual triggering is possible.The RLS LED indicates when the EPIRB distress call has been received from a rescue coordination centre (Return Link Service).With an NFC (Near Field Communication) capable smartphone, the activity history, battery status and programming information can be checked via an app.The homing function (121.5 MHz) and the emission of 20 to 30 bright LED flashes (plus infrared) per minute additionally help to be found (at night).Dimensions H x W x D: : 200 mm x 36 mm x 30 mmWeight: 190 gWaterproof up to 15 metresRetractable antennaIntegrated 72 channel GPS receiver (Galileo + Glonass compatible)Transmission time at least 24 hours (at -20 °C. Longer at higher temperatures)Lithium battery with five-year replacement cycleSeven year warranty