Features Effortless Operation: Simply press the button to blow the whistle, ensuring a clean and safe experience without the need for blowing air Powerful Sound Options: Choose from 3 adjustable tones and volume levels, producing a strong sound ranging from 120 to 150dB for effective signaling Versatile Use Cases: Perfect for various activities including sports events, pet training, outdoor camping, hiking, and emergency situations Durable and Safe Material: Constructed from high-quality ABS material, this whistle is odorless and built to withstand rigorous use in any environment Lightweight and Portable: Compact design with an included lanyard makes it easy to carry, ensuring you can take it anywhere for indoor or outdoor use Features: 1、Clean for Using: The electronic whistle can be used by pring the button, no more oral and makes the whistle blowing clean and safe. 2、Clear Whistling: Comes with 3 tones and 3 volume levels adjustable, the sports whistle can give out a strong and consistent sound of 120？150dB. 3、Wide Application: Widely applicable to all sports events, pet training, outdoor camping and hiking and other emergencies, useful and reliable. 4、The ABS Material: Adopting premium ABS material that is odorl and safe, the training whistle with a sturdy structure is very for use. 5、Simple Carrying: Light in weight and compact in size as well, the whistle also has a lanyard, very convenient to carry for indoor and outdoor. Specification: Item Type: Electronic Whistle Material: ABS Battery: 1 x 6F22 battery, shipped without battery. Package List: 1 x Electronic Whistle 1 x Lanyard 1 x User Manual Package List 1 x Electronic Whistle 1 x Lanyard 1 x User Manual