... dissipation device: thermostatically controlled fans to keep LED light cool. 4. Built-in CE approval Power supply, plug and play ... dissipation device: thermostatically controlled fans to keep LED light cool. 4. Built-in CE approval Power supply, plug and play ... not waterproof, do not drop water into the light. Easy Installation,Energy Saving,Widespread Use,LED Aquarium Light 120W,for LPS,Reef,Fish