Self-illuminating in dim areas or during night time. Solar rechargable batteries for continual performance without much maintenance. Super bright LEDs with a viewing distance of 300-600 mtrs. Equipped with prismatic reflective lens on each side ensure maximum reflectivity. Made up of highly compressive material, can sustain over 10 tonnes. Water resistant. Solar Products-901 Aluminium Alloy and Polycarbonate 113 x 90 x 25 mm 6 LED, No Stem, Flat Base.