The module. Canadian Solar's CS6K-285M is a rock-solid 285 watt, 60-cell solar, black frame on white back sheet (BOW), monocrystalline solar module. It drives higher power output and reliability via it's four busbar cell technology.
The quality. While there are a lot of quality solar modules out there, the Canadian Solar brand stands for high quality and reliability built over it's 15 years of experience in designing, testing, and manufacturing modules for customers around the world. Additional information can be found in the PDF spec sheet and user manual linked below.