Item Type: Solar Warning Flashing Light Material: PC, ABS, polycrystalline silicon LED Light Beads: 6pcs Solar Panel: 5.5V 90mA Battery: Lithium battery x 1 (with internal battery) Capacity: 1800mAh (single battery capacity) Blinking Frequency: About 55 times / min Length of Use: 5-7 nights Use: Used in road works, traffic warning, high rise buildings, ships, bridges, pylons, marine and other fields to effectively reduce the occurrence of accidents and ensure safety. Package List 1 x Solar Warning Strobe Light 16 High Bright LED Light Beads: Our warning flashing lights use 6 high bright LED light beads, stable performance, low failure rate. 2Solar Powered: This warning flashing light does not need to replace the battery, no wiring, convenient and worry free, can be used for 5 to 7 nights. 3Polycrystalline Silicon Solar Panel: Warning lights using high power solar panels, transparent PC top cover with 5.5V, 90MA efficient polycrystalline silicon solar panels, high power charging fast. 4Outdoor Waterproof: Construction road warning flash can be done safely in the outdoor use, light weight, easy to use, with waterproof. 5Wide Use: This solar warning flashing light is used for road construction, traffic warning, high rise buildings, ships, bridges, etc.