The Sunrich IU-140 is a type of solar panel designed and manufactured by Sunrich Solar Energy Systems. It is a polycrystalline module made from 156 solar cells and is capable of generating up to 140 watts of power. The IU-140 has an efficiency rating of up to 18.6% and a power output tolerance of +/-5%. It is constructed with a black anodized aluminum frame and features a tempered glass surface to prevent against cracking and bursting. The panel has a low thermal coefficient and can operate in a wide range of temperatures. It also comes with an IP67-rated junction box to ensure protection against dust, humidity, and water. The IU-140 also has a 25-year warranty and comes with built-in MC4 connectors to make wiring simple.