YUYANG High Decibel Emergency Whistle Outdoor Survival Lifesaving Whistle-with Key Holder,Can Be Used for Boating Hiking Outdoor Camping Training Hunting and Pet Training

YUYANG High Decibel Emergency Whistle Outdoor Survival Lifesaving Whistle-with Key Holder,Can Be Used for Boating Hiking Outdoor Camping Training Hunting and Pet Training
Emergency whistle materialstainless steel, the surface is colored with anodic oxidation technology, hard to fade and can be used longer
The whistle sound is crisp and loud, and the transmission distance is far away for calling for help, recruiting companions, and survival in the field;
Signal rules
short sound (within one second);
  long sound (more than 3 seconds);
The command whistle interval is 2~3 seconds, and the interval between commands is more than 30 seconds (for example, it takes more than 30 seconds to repeat the command)
  (two short and one long) gather in the direction of the whistle;
  (One short and one long) Start and accelerate;
    (one short and two long) Someone left the team, the former team waited for the team;
(three shorts) Seek help when encountering difficulties;
      (three short three long three short) This is the internationally popular SOS code.

Survival Whistle Product Features:

Emergency whistle materialstainless steel, the surface is colored with anodic oxidation technology, hard to fade and can be used longer.
Functions and featuresdouble-tube design makes the sound much louder, equally as two. The volume is much bigger than ordinary outdoor whistles.
Advantageslightweight, comes with key holder, easy to carry and can be hanged on tents, equipments, bottles, backpacks and etc;
Exterior featureshumanized exterior design, more interesting and attractive;
Can be used atwilderness survival, outdoor activities, climbing, adventures, or for at home emergencies.