Underwater Light - IP 68 Rated - 12 x 1W RGB LEDs - IP 68 Rated - 12 x 1W LEDs . RoHS compliant materials . Optimum thermal management for Max. LED lifetime . Opto LED symbiosis for peak lm . Option: DMX 512 compatible - 1. Stainless steel trim - 2. Stainless steel - 3. High-power LED - 4. Aluminum circuit board - 5. 5mm tempered glass - 6. Brass cable gland - Dimensions: Ø7.4 x 1.8 inches