Compact Saltwater Lamp 65.5 X 65.5 X 135 Mm For Survival Kits Power

/-free saltwater power: no charging, no leaks, no solar panels; just add 2-6 g salt and water to light up instantly. Wide temperature range: works from -20°C to 55°C (-4°F to 131°F) for hurricanes, earthquakes, storms, and survival kits.