Description: 【High Decibel Output】: This electronic whistle delivers a powerful 125 decibel sound, ensuring it is heard over long distances and through noisy environments, making it ideal for sports events and outdoor activities 【Versatile Sound Options】: Easily switch between three distinct sound effects to suit different situations, whether it's for refereeing basketball or soccer games, training pigeons, or emergency signaling 【Effortless Operation】: Designed for convenience, this whistle operates with a simple press of a button, eliminating the need to blow and reducing physical strain during prolonged use 【Hygienic Design】: The electronic mechanism avoids direct mouth, promoting better hygiene compared to traditional whistles, great for shared use in team settings 【Sturdy and Portable】: Made from sturdy PP material with compact dimensions of 14 cm x 3 cm / 5.51 inch x 1.18 inch, this whistle is lightweight yet sturdy enough to withstand regular use Specification: Material: PP Size Chart: 14cmx3cm/5.51inchx1.18inch Package Includes: 1 Electronic Whistle Note: Please allow slightly errors 1-2cm differences due to manual measurement.