1.It is made of high-density stainless steel, corrosion and rust proof, high-density and durable

2. Referee whistle, coach whistle, outdoor sports whistle, call for help warning, traffic police command, pet training

3. Distribution of metal hanging parts can be locked on the key chain or on the lanyard, which is convenient to carry and not easy to lose

4. Adopt scientific double resonant cavity design to make the sound more sonorous, the best choice for emergency survival

5.The best choice for emergency survival,it can still be used in water inlet or harsh environment

Product Name：Double frequency stainless iron Police whistle

Material:Stainless Iron

Each Product Size:2.6 x 0.8 inch / 6.7 x 2.1 cm

Weight per product:0.7 oz (18 Grams)

Package Size:Weight: 20 g(0.7 oz), Size: 41.5*10*10 mm(1.63*0.39*0.39 inch)

Lanyard length:16.9 inch / 43 cm

Color:Silver

Feature:

Outdoor survival whistle, high frequency life-saving whistle, camping travel whistle, suitable for referees and commanders in various sports competitions

Sturdy and durable, two-tone sound, unique and loud sound, as much as your lung capacity, the sound can be as loud as possible, with black lanyard, high strength, easy to carry, avoid loss, can be inserted into keys and other items, using stainless steel wire drawing process appearance beautiful.

Applications:

1,When you are in danger outdoors or remind others of danger, it can help you.

2,Traffic police direct traffic and security mobilizes vehicles.

3,Outdoor contact, When you guys go outdoors together, one for each person, encode the whistle in advance, 

it can help remote emergency contact.

4,It can be used by referees in various games, basketball football tennis rugby swimming and so on.

5,When you train your cute pet, you will need it.