... . CE & RoHs approved 4. IP67 12V200W waterproof LED driver for aquarium lighting a.Waterproof LED driver ,12V 200W, constant voltageb. Epoxy encapsulated, IP ... . Aluminium housing, good for heat dissipation.e. Cooling by free air convection.f. Application: LED display, LED channal letters, LED signs, LED underwater light and ...