1, waterproof 2, plastic materials, can be recycled 3, patent certificate, ROHS certificate 4, convenient, multi-function 1, Size: 9 cm x8 cm x15cm2, Weight: 172g3, continuous light time: 3 hours4, using the battery: 4AA5, the upward and downward adjustment of the aperture 1 LED bulb multi-functional mobile plastic camping lamp