Detailed Product Description Solar Brick LightSize:Φ178*56mm>> solar brick>> SRS-14A Solar cell: poly-crystalline silicon / single-crystalline silicon (4v,250mA)Light source: super luminosity LED;LED quantity: 6 pcs Luminosity colors: red, green, blue, white, yellow (for any choice) Luminous mode: Constant Type (standard luminosity intensity) Work time: more than 20 hoursWork temperature: -25 to ...