Highest quality electronic whistle in the world! Fox's three tone electronic whistles can be set to one of three distinct tones to prevent disrupting play in nearby games or events. Push-button activation allows this whistle to be blown while talking or running at the same time. Hand-held electronic whistles are more sanitary than standard mouth-blown whistles and allow for use among groups without the fear of spreading germs. Quality electronic whistle provides a loud (105 decibels), consistent sound every time. Includes an adjustable, braided nylon wrist lanyard and two AAA batteries. Durable construction works in all climates. Measures approximately 4" L x 1-1/4" W.