The SmartFind G8 PLUS range of Satellite EPIRBs include an AIS locating signal, and has the addedbenefit of Infrared (Night-Vision) optical signal to aid detectionof survivors in low light conditions. Infrared is detectable at greater range and in poorer conditions than standard EPIRB lights, therefore further accelerating recovery times.The SmartFind G8 PLUS RLS EPIRB model (EDMO# 23002000A) has Return Link Service (RLS) capability. This model receives a re-assurance signal, in the form of a blue light, indicating the distress signal has been received and that the user’s location is known by the professional rescue services. This model is manual release.