Features:

1. High score Bay whistle, Loud, Up to 150db, Spread further.

2. Referring to North (South) needles.

3. Thermometer.

4, nylon lanyard (more convenient to carry, rope length of about 40cm (hanging on the neck).

5. Used to sports events, ask for help, Training pet ect .

Specification：

Name: 3 in 1 whistle (Compass, thermometer)
Material: plastic
Size: 63x30mm
Field rescue whistle tool

Package Included:

1pcs whistle