SD7620 - Hotshot Signal Mirror & Whistle by ACR

For a simple yet totally safe signaling package the Hotshot is what you are looking for!

Its features include:
-- Designed to provide optimum sighting "spot" with holographic red dot viewing window
-- When target image, mirror and sun are in proper alignment, red dot on target ensures mirror reflection is on target
-- Telescope quality second surface reflective mirror is bright, provides focused image
-- Buoyant float for easy recovery if dropped overboard
-- Patented whistle (meets USCG) for audible alerting in low visibility conditions
-- Lanyard for securing to person or life raft

Size: 4.25" x 2.75" x .19"
Weight: 1.8 oz.