Nitecore NWE10 Outdoor Electronic Whistle - 126dB SOS and Beacon Mode, Up to 80 Hours Runtime, USB-C, IPX7, Cold Resistant -40C, 38g

LOUD ELECTRONIC SIGNAL: The NITECORE NWE10 produces up to 126 dB loud signal with a frequency of 3,300 Hz at the touch of a button – for communication, position signals and emergency calls during outdoor activities. AUTOMATIC SOS AND BEACON MODE: The SOS mode automatically repeats an acoustic distress signal. The beacon mode serves as a recurring orientation signal, for example for marking a camp or fixed location. Up to 80 hours of running time: The built-in, cold-resistant 300 mAh Li-ion battery allows up to 80 hours of operation in SOS and beacon mode. USB C charging, the whistle can also be used while charging. Lightweight, compact and flexible attachable: only 38 g light or 48 g with holder. Integrated clip, attachment eyelet and included OUTDOCK bracket allow attachment to shoulder straps, webbing and MOLLE systems. For demanding outdoor conditions: works at temperatures up to -40 °C, protected according to IPX7 and shock resistant up to 1 meter. Suitable for trail running, orientation running, camping, winter sports and other outdoor use.