Pawfly Aquarium LED Light for 18 to 24 Inch Fish Tanks Extendable Fish Tank Light with Full Spectrum Brilliant White Blue Red Lights with Daytime & Night Modes and Adjustable BrightnessBrand: Pawfly Features: Full Spectrum: The fish tank light contains 6500 K white light, 450 nm blue light and 660 nm red light. LUX: 3300; PAR: 67; CRI: 90. The vivid lights can reproduce the real colors of objects to relieve the visual fatigue, and thus improve the comfort of the environment. 2 Lighting Modes: Short press the M button repeatedly on the fish tank light to switch between daytime and night modes. Hold the M button for 3 seconds to turn