2 Pack (4 Lamps) Of Sunning Heat Day Lamp & Night Infrared Combo Packs 75 Watt For Your Terrarium, Facilitating Natural Behavior In Your Reptiles And Providing A Bask Lamp Environment For Your Pets. 2 Pack (4 Lamps) Of The Blue Spotted Day & Night 75 Watt Combo Pack facilitates natural behavior in reptiles. Create your paradise with Blue Spotted products and use with appropriate clamp lamp fixture (Blue Spotted 5.5" Clamp, Blue Spotted 8.5" Clamp Lamp or Blue Spotted Wire Cage Lamp). UVA and heat for thermoregulation. The Sunning Heat Lamp simulates the natural affects of sunlight to promote a healthy and strong reptile. Great for turtles and diurnal reptiles. Focus light and heat to desired spot. The Blue Spotted Sunning Heat Lamps provide natural basking environments by focusing a beam of light and heat to the area of your choice, perfect for your reptile. Use the basking lamp 10-12 hours a day, lasts up to 2000 hours. The Sunning Heat Lamp emits a broad-spectrum light that is good for live plants in a terrarium, and provides UVA rays and heat for diurnal reptiles, helping to create a paradise in your reptile habitat. Other bulbs and items to consider are: Blue Spotted UVB 10.0 Compact Fluorescent, ceramic heat emitter, infrared bulb, clamp lamp, clamp lamp stand, and deep dome fixture.