Single or Dual Circuit - Compatible with Halo Track Compatibility: H-Type This Pendant Adapter is compatible with Halo, Catalina, Hampton Bay, Halo-Edison, or any other brands configured to Halo (H-Type) track system design. They are not compatible with Juno (J-Type) or Lightolier (L-Type) track systems. - Use to suspend a pendant light from track system - Includes a cord grip - Supports up to 10 lbs - Dimensions are 1.42 W x 1.42 L x 2.1 H