1. No charging required: This outdoor camping lamp is a perfect solution for emergency situations, camping trips, and outdoor lighting as it does not require any charging. 2. Easy to use: The salt water emergency lamp can be easily activated by adding salt and water, shaking, and flipping the switch. It's that simple! 3. and long-lasting: With at least 200 hours of continuous use and up to 250 hours of intermittent use, this camping emergency lamp is designed to withstand tough outdoor conditions and provide reliable performance. 4. Chemical-free and safe: Unlike traditional battery-powered lamps, this salt water light contains no harmful chemicals or heavy metals. It's also safe to use indoors or outdoors, and in varying temperatures. 5. Eco-friendly: The energy saving lamp is an eco-friendly alternative to disposable batteries and other single-use lighting options. It can also be stored for up to 5 years with proper care and maintenance. Type:Campinglight Size:20x10cm/7.87x3.94in Color:Green Material:ABS Package Contents: 1 * Salt Water Lamp Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.