Fox 40 Classic Whistle w/ Lanyard OrangeWhether your 60 feet up a tree, out on the back country trails or simply in your shop, sometimes thing happen and you need to gets someone attention fast. The time proven low tech Classic Fox 40 Whistle is a great alert device for Tree Climbers or others who need to alert someone for assistance. This orange classic Fox 40 alert whistle is equiped with a breakaway lanyard system.Specifications:Design: 3-chamber pealessSound Power: 115 dB.Orange breakaway lanyard