The Coghlan's Emergency Survival Horn is very loud! It operates with the simplicity of a mouth horn and blasts out audible sound up to 120dB. The membrane can be easily replaced with any thin flexible film. Comes with SOS printed on the body and a black break-away lanyard.

Features:

• Features a stone and twig guard to protect the rubber membrane
• Durable polypropylene construction floats and is easily seen with the bright orange colour
• Eco-friendly - no compressed air or batteries