Specification Brand : tomvorks BulletPoint : 3 in 1 multi-function emergency whistle3 function: whistle, thermometer, compassDurable plastic whistle and nylon neck lanyardOn one side there is a compass, and the other is Celsius thermometerIt is very suitable for camping, climbing, hiking and traveling. BulletPoint1 : [Versatile Usage] Suitable for camping, hiking, fishing, boating, and more, as well as dog training, school sports, and lifeguard duty. BulletPoint2 : [Convenient Key Chain] Easily attachable to bags or keychains, lightweight and easy to carry for quick access in any situation. BulletPoint3 : [Premium sturdy Material] Made of high quality plastic for wear proofness and durability, ensuring a long service life. BulletPoint4 : [All-weather Design] Featuring 3 frequency options and premium airflow design, ideal for use in various environmental conditions for maximum safety. BulletPoint5 : [Professional High Frequency Design] Ensures a loud sound that can be heard from far distances, ideal for emergencies during outdoor activities. Color : Green Department : unisex-adult ExternallyAssignedProductIdentifier1 : 0749576331216 ExternallyAssignedProductIdentifier2 : 749576331216 IncludedComponents : whistles ItemDisplayDimensions_Height : 0.2 inches ItemDisplayDimensions_Length : 2.76 inches ItemDisplayDimensions_Width : 0.98 inches ItemDisplayWeight : 0.02 pounds ItemName : Loud Professional Survival Whistle, 3 Frequency Emergency Whistle with Key Chain, for Camping Hiking Fishing Boating Outdoor Activities ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 14 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : survival-signal-whistles Manufacturer : Tomvorks Material : Plastic ModelName : Tomvorksb9ghcudxow ModelNumber : Tomvorksb9ghcudxow PartNumber : Tomvorksb9ghcudxow Pattern : Solid ProductDescription : [Versatile Usage] Suitable for camping, hiking, fishing, boating, and more, as well as dog training, school sports, and lifeguard duty. [Convenient Key Chain] Easily attachable to bags or keychains, lightweight and easy to carry for quick access in any situation. [Premium sturdy Material] Made of high quality plastic for wear proofness and durability, ensuring a long service life. [All-weather Design] Featuring 3 frequency options and premium airflow design, ideal for use in various environmental conditions for maximum safety. [Professional High Frequency Design] Ensures a loud sound that can be heard from far distances, ideal for emergencies during outdoor activities.