This DMX-PSU from RATstands is for use with their Apollo Clip-on Light. 

This PSU can power up to 24 lights connected via the Bud or Star configuration daisychain cables, and allow control of the lights from the DMX control box. 

Each cable can connect up to 8 lights; the bud cable connects to 8 lights set in a line, the star configuration does as suggested and splits into a star. These are purchased separately as desired.