LKJYBG 3 Tone Electronic Whistle, BLACK

【No need to blow by mouth, hygienic and easy to use】 - Lightweight and portable whistle is convenient to carry. Hand-held electronic whistle makes sound by clicking a button,does not need to be blown,more hygienic and healthy. And can be used by many people without worrying.

【4*Batteries are included】 - Including 4 CR2032 batteries, which can be replaced and used two batteries each time. If the sound is abnormal, may be due to insufficient battery,please replace the battery first.When replacing the battery, it is recommended to replace 2 batteries at the same time.The battery life will be longer.

【High quality and strong】 - Make of high quality Acrylic environmental protection material, non-toxic, tasteless long service life, and not easy to fade. Anti-split strong design makes this electronic whistle create strong and consistent sound.

【Three tones for you to choose】 - You can choose the best sound for your purpose. Compared with traditional whistle, the sound of electronic whistle is clearer and louder, making your voice more likely to be noticed.Widely used in various fields.It is the perfect partner for teachers, coaches referees, sports training, outdoor camping, dog/pigeon training, hiking.

【Note】 - This product is not waterproof, please do not use it in an environment with water. The sound of electric whistle is different from the sound of a traditional whistle, it is similar to a alarm sound.If you have any questions about the product, please feel free to contact us.