Emits effortless, authoritative sound that can be heard for miles over ambient noise. Designed for outdoor use (because it’s deafening if used indoors) and is great for personal safety or for search and rescue work.

• Made of polycarbonate with co-moulded elastomer for slip resistance
• Pealess design with two chambers and four resonators
• Waterproof, with no moving parts to freeze or jam
• Includes a breakaway lanyard
• Produces 120 dB of loudness