It can be used for many hours at full load, and excellent performance. Easy to use and operate, convenient to use for safety, perfect and wonderful for professional use and personal. This solar warning light will be charged in the sun during the day, and it will automatically flash in the dark. Adopting premium materials , excellent and reliable, sturdy and durable for long-term use. Suitable for road administration, transportation, construction sites, navigation, fishing boats, etc. Description This product is solar strobe attention lamp, adoption of premium and durable material. Widely applied in most occasions, such as fencing, road administration, construction site and more. This solar warning light is the best choice for you, convenient to use for safety. Features Size: 15X4X3.4cm Material: PC. Flicker frequency: about 50 times/min. Visible range: 500- 1000m. Color: Mainly red, yellow. Adopting premium material, excellent and reliable, sturdy and durable for long-term use. This solar warning light will be charged in the sun during the day, and it will automatically flash in the dark. Suitable for road administration, transportation, construction sites, navigation, fishing boats, etc. It can be used for many hours at full load, and excellent performance. Easy to use and operate, convenient to use for safety, perfect and wonderful for professional and personal use . Package Including 2 x solar warning lights Note: The data is manual measurement, please allow an error of 1-3cm , due to the differences between light and screen, there will be a certain color difference, the specific received in kind shall prevail.