The CANADIAN SOLAR 300W KuPower Polycrystalline Solar Module is a high efficiency polycrystalline module Modern 120 half cells structure (1675mm x 992mm) High power class for its size (18.05% module efficiency) Well suited to hot weather conditions: NMOT (Nominal operating Temperature) of 43°C, and low temperature coefficient (Pmax) of -0.37%/°C CANADIAN SOLAR is a world leader manufacturer of high quality polycrystalline solar panels, with over 36GW of panels installed around the world since 2001. Cell type: Poly-crystalline Cell arrangement: 120 [2 x (10 x 6)] Front cover: 3.2mm tempered glass Frame: Anodized aluminium alloy J-boxx: IP68, 3 bypass diodes Cable: 4mm² (IEC) Cable length (including connector): Portrait: 400mm (+)/ 280mm, landscape: 1160mm Connector: T4 series or H4 UTX or MC4-EV02 Dimensions [h x w x d]: 1675 x 992 x 35mm Weight: 18.5kg