Emergency Survival Whistle with Compass and Thermometer

A shout carries maybe a hundred yards before your voice gives out. A whistle carries further and costs you almost no breath, which matters a great deal if you have rolled an ankle two miles from the trailhead and nobody knows exactly where you are. That is the whole argument for keeping one clipped to a pack strap instead of buried in a first aid kit you would have to dig for.

This one stacks three tools into a single body. The whistle is the part you hope never to use. The compass sits in the face so you can take a rough bearing when the trail braids or fog rolls in, and the thermometer tells you what you are actually dealing with rather than what the forecast promised. None of it needs batteries, and the compass and thermometer are the parts you will actually use on every trip.

The housing is built from durable material that shrugs off being dragged through brush and dropped on rock, and the included lanyard means it hangs where you can reach it one-handed. It weighs almost nothing, so there is no real reason to leave it behind. Hand one to each kid before a hike, drop one in the glovebox, add one to the go-bag. Cheap insurance is still insurance.

• Whistle, compass and thermometer in one three tools on one lanyard instead of three things to lose.
• Loud emergency signal carries further than your voice and takes far less effort to use.
• No batteries anywhere it still works after a year forgotten in the lid of a pack.
• Durable construction handles knocks, grit and weather on the trail without babying.
• Lanyard included hangs from a pack strap, zip pull or belt loop within easy reach.
• Army green finish low-key enough that it can live on your gear permanently.