technical parameter
Name: Police whistle
Police whistles consist of whistles, ribbons and cards.
Material: Food grade ABS plastics
Sentinel belt: nylon ribbon
Colour: Black
Functions: Warning, Command-Traffic Police, Security, Vehicle Dispatch Management, etc.
Features: Durable, double-toned, unique and loud voice, how much vital capacity do you have?
Sound can be as big as the rope, high intensity, easy to carry, to avoid loss.