Emergency Signal Mirror Compasses are compact, multifunctional tools designed for survival situations. They combine a reflective mirror for signaling rescuers with a built-in compass for navigation. Essential for outdoor enthusiasts, they enhance safety by aiding visibility and direction-finding in emergencies.

Size: Typically 2.5 to 3 inches in diameter for compact models, up to 5 inches for larger versions.

Grade: Military-grade (MIL-SPEC) or commercial-grade, depending on the model.

Viscosity: Not applicable (N/A) for solid components; liquid-filled compasses may use damping fluids like mineral oil or ethanol.

Buoyancy: Generally buoyant if made with lightweight materials, but not a primary feature.

Material: Polycarbonate or acrylic mirror surface, stainless steel or aluminum housing, and high-impact plastic or rubberized casing.

Compass Type: Liquid-filled with a floating dial, often luminous for low-light visibility.

Reflectivity: Mirror surface with a reflectivity of 85-95% for effective signaling.

Weight: 50-150 grams, depending on size and materials.

Temperature Range: -20°F to 120°F (-29°C to 49°C) for standard models.

Water Resistance: Typically IPX7 or higher for submersion up to 1 meter.

Additional Features: May include sighting holes, ruler markings, or built-in whistles.