Broad Spectrum Daylight Spot Lampfor Terrariums. Creates A Basking Area For Thermoregulation Increases Ambient Air Temperature Stimulates Breeding Behaviorthrough Uva Rays. Can Be Combined With Night Glo Orheat Glo For A 24 Hours Cyclea Broad Spectrum Daylight Spot Lamp With A Neodymium Sleeve. The Spectrum Is Ideal For Plant Photosynthesis And The Uva (Ultraviolet A) Light Contributes To Reptiles Physiological Well-Being.The Spot Allows One To Direct The Heat And Light In A Certain Direction To Create Basking Sites In The Terrarium.