Safety Whistle is the loudest whistle on the market. It's unique patented design allows it to be heard under water, up to 50 feet, because the sounding chamber forces all water to be purged when the whistle is blown.

Storm Whistleis the loudest whistle on the market, twice as loud as any other mouth blown whistle. Works well in all weather conditions, even works underwater. Produces a 100dB tone which is the most readily heard over the noise of motors, crowds, and explosions.

Features:

• Emits the loudest sound with minimum effort, even for someone who is short of breath.
• Fits comfortably in your hand and to your lips.
• Constructed of high-impact thermoplastic
• Works in, on and under the water
• Can be heard underwater for distances in excess of 50 feet, for over half a mile on the surface and over a quarter of a mile through trees.
• Double chamber design allows it to be blown when held right side upside down, forcing all water to be purged when the whistle is blown
• Can be heard through walls, glass and water
• This is the whistle of choice for many government, military and police/rescue agencies.

Can reach 100dB, Includes compass, thermometer and fire flint. Loudest whistle in the market.