This item is a solar strobe light, made of plastic material, and durable. It can be used for aviation, construction site, road administration, boat, etc. Easy to install and operate, it is suitable for professional and personal use. Choose it for you. Features - Material: Plastic. - Size: Approx. 11.00X7.50X7.50cm/4.32X2.95X2.95in. - Made of plastic material, durable and practical for use. - It absorbs sunlight at daytime and automatically flash at night and darkness, no need to turn on the or connect wire. - Easy to install and remove, suitable for personal and use. - Widely applied in chimney, fence, bridge, cranes, aviation, garden, getting , construction, tower, traffic, cultivation, sailing, dock, marine, etc. - Good sealing, not afraid of rain, waterproof and durable. Specification - Working Hours: About 16 days (full power/working 12h per day). - Battery Capacity: 600mAh. - Flashing Frequency: About 50 times a minute. - Visible Distance: About 400m (full power/ ). - Number of Lamp Beads: 3. - Protection Level: IP65. - Power: 0.3W. - Working Temperature: -30 degree centigrade-50 degree centigrade. - Working Voltage: 1.2V. - Working : 0.001A. Package list: 1 x Solar Strobe Light