HIGH QUALITY & PORTABLE: Crafted with durable ABS material, our emergency survival whistle is fall-resistant, anti-scratch, and light enough to carry easily with a 21-inch lanyard.7-IN-1 TOOL: It's more than a whistle - features include a compass, LED light, thermometer, magnifying glass, reflecting mirror, and sealed storage for personal info. An essential hiking and camping toolPERFECT GIFT: The ideal present for your Dad, Husband, Boyfriend, or Boy Scouts on special occasions. Ensure your loved ones are equipped for emergencies.VERSATILE USE: A water-resistant survival whistle perfect for cycling, skiing, camping, hiking, fishing, and hunting. A must-have for survival enthusiasts.100% CUSTOMER SATISFACTION: We value your satisfaction. If our product doesn't meet your expectations, let us know. We're committed to ensuring your satisfaction.Material: ABS,Size: 10.8 * 4.5 * 2.5cm, with its own button battery power supply,Function: whistle, compass, thermometer, magnifying glass, reflector, LED light, storage compartment