<span>Multi-use whistle as sports whistle, referee whistle, whistle, guard whistle, whistle, emergency whistle, survival whistle, whistle, police whistle and safety whistle. In addition, it is an electric whistle powered by batteries, convenient and practical, large loud design, multi-use and portable.</span> Features <span>-Color:Red -Material:ABS -Size:13.60X3.60X2.80cm/5.34X1.41X1.10in</span><span> <span>-Note: The is included.</span> -Whistle is also a nice tool, delicate design, thus you can on anywhere you want. - Features small size, which is easy to carry. And you for help by using this whistle. -Also, great whistle, whistle, emergency whistle, survival whistle, whistle and safety whistle. -Makes and durable electric whistle loud crisp and higher tones, good volume, blow vigorously. -Electric whistle is great for life saving, PE lesson, referees, , training, teachers, survival, emergency, school, gym, etc.</span> Package list: 1 x Electronic Whistle