2200K color temperature light. Low light pollution for dark skies and friendly to sea turtles Specifically, the light output is narrowly in the range that is "Sea Turtle Friendly". Sources: https://www.ligman.com/turtle-friendly-lighting/ https://www.researchgate.net/figure/Wavelength-spectrums-of-the-turtle-friendly-amber-LED-AM03LAM-Axiomledcom-Los_fig3_299372631 Easily upgrade your dock, deck, or pathway with a HydroGlow Solar LED Deck/Dock Light. This unique solar LED dock light brings commercial-grade design and durability for the best LED path light you can have. Its high-impact polycarbonate body stands up to harsh marine conditions. A 12.5mm tall body is lower profile allows them to be driven over without issue. A textured top prevents slips when wet. Fully IP68-rated waterproofing for fully submersible protection. The internal lithium-ion 500mAh battery powers 6 extra-bright LEDS you can see from up to 500m. The battery can keep these LEDs powered for 50 hours on a full charge. The oversized solar cell keeps the battery charged even in low light conditions. Unlike ordinary path lighting or deck lights, these are built to last. Commercial-grade solar LED light:Perfect for docks, decks, pathwaysHigh-impact polycarbonate body0.5W solar panel500mAh lithium battery115mm length x 90mm width x 12.5mm heightIP68 ratedAfter 5 hours of charging will stay lit for 50 hours6x LEDsWeight is 5.12 ozIP68 waterproofRated for >20T on compression force before cracking Mounting is not required, but if desired, 2x M5 screws are recommended >0.5" (>13mm) long screw with a head no larger than 0.55" (14mm) for mounting.