3 In 1 Whistle Compass Thermometer Camping Outdoor Emergency Survival Gear SOS

Features:Material: Plastic + NylonTemperature range: -20℃ to 50 ℃Neck lanyard length: Approx. 45cm/17.7"Dimension: Approx. 4x2.5x2.3cm/ 1.5x0.9x0.9"3 In 1, can be as Whistle, Compass and ThermometerWi