The Ultrak EW1 Electronic Whistle is a powerful, one-tone whistle that provides a loud, 107dB sound at 1 foot. This whistle is great for referees, coaches, police, and personal use. With an easy to use one-button operation, built-in LED, and detachable wrist wrap, you won't find a better deal at a more affordable price.

• Powerful, one-tone electronic whistle
• Loud, 107dB whistle sound at 1 foot
• Ideal for referees, coaches, police, and personal use
• Easy to use one-button operation
• Built-in LED light
• Detachable nylon wrist strap
• Includes four (4) LR44 batteries