Acme Tornado 636 Slimline Whistle
The Tornado 636 Slimline Whistle is one of the best all-around safety whistles available. It's super loud at 117 dB with a high pitch tri-frequency trill sound. Two high pitch frequencies to help pinpoint your location and a lower pitch for long range all sound simultaneously. The profile is slim to fit comfortably under your shirt or in your pocket. It's very loud, so cover your ears.
*** For more information, please visit Acme Whistles.