Stainless steel clips for locking and waterproof cable gland on side of the housing to ensure good waterproof function. Prismatic diffuser with unique shape design to get average ray, efficient usage of light and good dazzle-proof effect. ABS/PC or PC/PC combinations to meet different requests. PC wire clips to ensure electrical safety. Easy and quick to installation under ceiling or on surface. Plastic gear tray holder connected to the housing for easy maintenance.