Dimensions: 237mm x 220mm x 5m. Solar Output: 4.2 W, 6 V, or 12 V. Cell Material: Single or poly crystal silicon. Anodized aluminum base plate. Construction: 18 or 36 cells string bonded on aluminum base plate. Cells are completely coated with protective sealant. Four Mounting Holes: 226mm x 189mm x 3mm. Lead Wire: Two colors, weather resistive transparent wire, 45cm in length attached with male connector. Weight: 360g.