Description: Featuring with 3-in-1 design, this emergency whistle is not just a whistle but also a multifunctional compass and thermometer. This emergency gear features with mini size and black neck lanyard, so it is portable and can be widely used in many occasions. Made of high quality acrylic, it is durable, lightweight and practical. The length is 6cm, the width is 3cm It is suitable for hiking, camping, training and so on. Item Name: Whistle Material:ABS Size Details: Whistle Lenght: 6cm, Width: 3cm Neck Lanyard Length: 40cm(Approx.) Temperature Range: 20 - 50 Degrees Celsius Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X Whistle