This item is a solar strobe warning light, 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. plastic material, durable and practical for long-lasting use. - It absorbs sunlight at daytime and automatically flash at night and darkness, no need to turn on the switch or connect wire. - Easy to install and remove, suitable for personal and professional use. - Widely applied in chimney, fence, bridge, cranes, aviation, garden, animal getting away, 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/clear weather). - Number of Lamp Beads: 3. - Protection Level: IP65. - Power: 0.3W. - Working Temperature: -30-50. - Working Voltage: 1.2V. - Working Current: 0.001A.