... technology to ensure the stable working of each LED. 3. Lens: Optical lens, efficiency≥ 85% 4. PCB: Excellent heat conductivity aluminum, coefficient ... , low power consumption and pure color, pollution ect advantages. 6. Input Voltage: AC/DC12V, 24V, 7. Projection distance: About 5-30 meters, especially ... to short term flooding. IP 6712V/24V1w/ 3w/4w/6w/9w cree led underwater light