The spotlight extension cord (with 2-PIN) is only suitable for SUNTHIN adapter landscape spotlight warm white (ASIN #B08KZFXC7R, B0DS4LYR17, B08YDL78J3, B0DS5NZMMX, B0GVJ5HX8L, B0GVHX9PC1). The spotlight extension cord (with 2-PIN) is only compatible with SUNTHIN sensor landscape spotlight (ASIN #B0DQSC62QD, B0D6YWB521, B0DQTPLJ1X, B0D6YW8869, B0GKG3896G, B0GKFJY11J). The T-shaped extension cord with 2-PIN is only compatible with SUNTHIN adapter landscape spotlight green shell (ASIN #B0DK8J4V2X, B0DK8L5K75). Please note: The T-shaped extension cord with 2-PIN is not compatible with RGB landscape spotlights, nor is it suitable for spotlights from other brands. 9.8FT Outdoor Extension Cord with 2 Core 2 pin Black Plastics IP65 T Shape Tee Connector for Extend Outdoor Landscape Lights,UL,Suit for SUNTHIN Adapter Landscape Spotlight Warm White.