These solar Y connectors are carefully designed with IP67 protections grade and ensuring efficient power distribution between multiple devices or solar panel Make of tinned copper cores and PPO, which can effectively withstand the harsh environmental conditions of outdoor use such as high temperature, abrasion Suitable for professional and enthusiasts, and can be used at will on home roof, yard and other places This 1 to 4 solar panel Y branch parallel connector cable can effectively expand connection ranges of your solar panel, each pairs allowing you to easily linking 4 solar panel or devices in parallel to a power sources This solar panel connector adopts the not need tool design, which allows you to quickly connecting and disconnect the connector with your bare hands, Manufacturer: ZBIianxer