The Rescue Howler™ Whistle is an incredible safety tool. With its dual-chamber, fail-safe, pealess design, it can emit a sharp dual-frequency 110dB signal. This powerful 110dB signal can be heard from over 1 mile away, ensuring you can be easily located in an emergency. It's made from unbreakable ABS plastic, so it's extremely durable. The pea-less design makes it fail-safe, working perfectly in all conditions. It won't freeze or stick to your lips when it's cold. Moreover, its triple-frequency sound can cut through the surrounding noise effectively. Specifications: Size: 5.5cm x 0.64cm; Weight: 5.6g each.

Using the Rescue Howler™ Whistle is super easy. Just put it to your lips and blow hard. You'll get that loud 110dB signal right away. When you're in an emergency, like getting lost in the woods or on a beach, this whistle can help rescuers find you. As for the maintenance, it's pretty low - maintenance. Since it's made of unbreakable ABS plastic, you don't have to worry about it breaking easily. But still, try to keep it dry and clean. Don't expose it to extreme heat for a long time. In cold weather, you don't need to worry about it freezing up because of its pea - less design. Just carry it with you and be ready for any unexpected situations.