Description: Power supply by solar, environmental protection and conservation, no pollution. LED light control,super bright LED flash 60 cycles per minutes; Light visual distance of 500 m in dark. Installs easily in seconds, No wiring necessary, just fix the bracket on the place where you need. Automated switch: just pull the switch to "ON",it will automatically charging during the day,and illuminate automatically at night?pull the switch to "OFF" to cut pff power. Multi-functionally warning lights: suit for traffic construction, crane tower, vehicle, house ect. Specification: Material: Plastic and Metal Size: Approx 115mm*115mm*100mm Light Color: Red LED Number: 4 Flash frequency: 60 times / min Visual range: 500-1000m (night) Full power Working time: 50 hours Package Includes: 1 Piece Warning Light Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you