TRISOUND – 3-Frequency Survival Whistle for Outdoor Emergencies
TRISOUND – 3-Frequency Survival Whistle for Outdoor Emergencies
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TRISOUND – BE HEARD WHEN IT MATTERS MOST
Trisound is a powerful, triple-frequency survival whistle designed to deliver maximum sound range in critical situations. Its compact aluminum body produces loud, clear tones that carry over long distances — perfect for hiking, camping, rescue, or emergency use.

WHY CHOOSE TRISOUND?
- 3-Frequency Design: Emits three distinct tones for higher sound penetration in any environment.
- Ultra-Loud Output: Produces up to 120 dB — audible over long distances.
- Durable Construction: Made from aircraft-grade aluminum alloy for lasting performance.
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Compact & Lightweight: Easy to carry on a keychain, backpack, or survival kit.

SPECIFICATIONS
- Material: Aluminum alloy (anodized finish)
- Sound Levels: Up to 120 dB
- Frequencies: Triple-tone acoustic design
- Dimensions: 6 × 1.8 × 1.8 cm
- Weight: 25 g
- Colors: Black, Orange, Silver, Military Green
WHAT’S IN THE BOX?
- 1 × Trisound Survival Whistle
- 1 × Keychain clip
- 1 × Lanyard

Why customers choose for ZENVRO.
At ZENVRO, strict quality controls in our warehouse ensure that every product reaches you perfectly. From visual
inspections to secure packaging, we check every detail. That's why we not only give guarantees on our service, but also achieve outstanding ratings ratings
