Custom kelvin temperatures available upon request. Lighting is a crucial element in any terrarium or vivarium design. Through research & R&D, we are happy to offer one of the best lights in the industry. Coming in at 98CRI with a 6500K color spectrum, your greens will pop & your reds will be deeper. Animal behavior is increased. World class visual appearance. This listing is for our 12″ Single model which is great on 10 gallon tanks, 20G verticle conversions, or the exo terra/zoo med 12-12-18 & 12-12-24 Each single light, when measured at 12″, produces roughly: 112 PPFD 3400 LUx 12W 145 Lumens per Watt Kit includes power supply with 6ft cord & inline dimmer. Thrive Ecosystems Blended Spectrum 12″ Single Vivarium/Terrarium Lights