ZILLA DAY BLUE LIGHT INCANDESCENT BULB – 75 WATT The Zilla Day Blue Light Incandescent Reptile Bulb provides the heat source necessary for reptiles to bask and keep their body temperature regulated. The day blue lamp is ideal for tropical and desert habitats and helps enhance your reptile’s coloring. This full-spectrum light emits UVA rays from 315 nm to 400 nm for a healthy reptile environment. The blue glass is uncoated, which allows the bulb to transfer more heat to the enclosure so you pet can bask in its warmth. Day blue incandescent bulb simulates the daylight sun which is necessary for reptiles to regulate their body temperatureProvides basking heat source and helps keep your pet’s body temperature regulatedGreat for tropical and desert habitats, provides necessary daylight that is less intense than bright whiteEmits full-spectrum light and UVA rays, uncoated glass to transfer more heatBlue light hue brings out colors and gives a unique appearance versus white light