High Quality Plastic Whistle Life Saving Referee Plastic Whistle - intl gia re 24h

• Dual-band design.
  
• Anti-off whistle mouth design.
  
• The belt clip, you can easily clip on clothes, bags
  
• Material: high-grade plastic
  
• Size: 7cm
  

The new outdoor survival whistle, the quality is very good, you can string a rope hanging in the backpack, also can buckle in any backpack webbing buckle think, is you ALICE outdoor sports equipment essential key moments, small things big as! "Good package must have top accessories to match!"
After testing, the performance is very outstanding strongly recommend!
1, dual-band design. About sounding different size on both sides of the chamber, while generating high-frequency sound, to ensure that the different environment, under conditions with excellent penetration.
2, anti-off whistle mouth design. You can not hand, do not worry mouth latch onto the whistle blowing out airflow, non-metallic materials, but also to avoid the mouth, teeth hurt.
3. aloud effortlessly. To survive, we must pay attention to when you help save energy, good survival whistle must be able to speak easily. Although some of the products available in the market loud sounds, it is not easy to speak out.
4, one design, rugged and reliable.
5, the belt clip, you can easily clip on clothes, bags, tail hole can wear rope, necklaces, key chains and so on.
Outdoor travel, you can confirm for you the azimuth, to avoid getting lost, looking for companions, and so on to help.
Want to have a perfect outdoor travel do not forget to be careful preparation prior to departure, oh
Survival whistle not necessarily in distress, when available, for example, say hello to the back front, probably separated to determine how far, the other sound source to determine which direction about so much more. . . . . However, there were a problem that is sometimes rise when climbing just under the whistle blowing, blowing more, we also did not feel anything, did not want to hear someone blow blew himself go its own, then who once foot twisted, or where the need for help, or pulled away in the middle of the intersection encountered new donkey does not know how to go, blow the whistle when no response is very anxious thing, because other people thought something did not happen, their own busy quietly pulling hard grind, we do not have much time to go to Dali, and like the wolf story.
Symbol: short sound within one second; long tone 3 seconds or more; internal instruction whistle interval of 2 to 3 seconds, the interval between commands such as repeatedly sending more than 30 seconds at intervals of 30 seconds or more instruction required
Communication T: one long tone / voice communication links for the team to determine the orientation between each whistle, issued on behalf of the command is received after receipt of the whistle command with a similar propaganda feed
Collection U: two short and a long / propaganda set direction set to whistle it ~ ~ ~ ~ similar contract
Forward V: issued when a short and a long / departure lounge behalf of the team, traveling to accelerate progress in the issue with representatives of similar propaganda Charge)
Former team waiting W: a short two long / for when the team travels long distances required to wait before the team after the team with the propaganda and so similar, please
Requirements Support S: three short / When faced with difficulties to seek help issued by the received signal to the communication tone T said it will go to support the reply with a similar propaganda Jijiji
SOS SOS: three short three long and three short / This is the international SOS code, please memorize
Material: high-grade plastic
Size: 7cm
Color: Color random delivery

• Thương hiệu Not Specified
  
• SKU NO128SPAAPYLNBVNAMZ-53973431
  
• Dòng sản phẩm POEE-OUT-04114
  
• Loại bảo hành No Warranty
  

Bộ sản phẩm bao gồm

• 1 x Survival Whistle