The Luci Solar Light is a pocket-sized solar lantern that needs only sunlight to stay charged. Serving as a flashlight and an emergency light, it shines reliably through storms, blackouts, roadside trouble or whenever you need light. Waterproof, lightweight, and extremely durable, tuck one into your travel bag, keep one in your car and store one in your emergency kit. Battery life: up to 7 hours of light on the 25-lumen high setting. Recharges in 8 hours via direct sunlight. Approximately 4 inches high and 4 inches in diameter; 1 inch when collapsed.