The ACME - Tornado Pealess T2000, the world’s most powerful whistle. The T2000 has three chambers: two ultra-high frequencies to cut through background noise and one low frequency for great distance. As a pealess whistle with no moving parts, the T2000 it will still work when wet and in freezing conditions, unlike whistles that contain peas. Perfect for use in harsh environments such as marine, aquatic and cold environments. SOLAS and NATO approved. Rescue orange so you won’t lose it. Remember: Three blasts of the whistle, with a minute’s gap between each set, will let people know you need help. Weight: 5g.