3-in-1 Emergency Survival Whistle Compass Referee Cheerleading Whistle Camping Hiking Outdoor Camping Whistle

3-in-1 Emergency Survival Whistle Compass Thermometer Referee Cheerleading Whistle Camping Hiking Features:* High score Bay whistle, Loud, Up to 150db, Spread further.* Referring to North (South) needles.* Thermometer.* Nylon lanyard (more convenient to carry, rope length of about 40cm (hanging on the neck).* Used to sports events, ask for help, Training pet ect . Specification：Name: 3 in 1 whistle (Compass, thermometer)Material: plasticColor: Dark Green/BlackSize: about 63x30mmField rescue whistle tool Package Included:1 * whistle