[Dimmable]: E27 Halogen Bulbs, 100% Dimmable, Please Do Not Use Led Dimmer To Connect Halogen Bulbs, Led Dimmer Will Cause Halogen Bulbs To Flicker And Not Work. You Can Adjust The Suitable Brightness For Your Reptile To Enjoy Its Food More. If You Have Any Questions, Please Contact Us, We Will Try Our Best To Solve The Problem.[Improves Appetite]: Improves Pet Food, Promotes Appetite, Helps Digestion And Digestion. Balanced Growth. In Addition, Heating Helps Assimilate Turtle Pyramids And Other Phenomena, And Plays An Important Role In Prevention And Improvement.[Infrared Bulb]: Powerful Source Of Infrared Heat Emissions, Increase The Overall Air Temperature Of The Terrarium, Ideal For Night Vision.[Practical Design]: The Bulbs Can Provide Light And Heat Directly, Which Ensures That It Can Change The Temperature According To The Needs Of The Cold-Blooded Reptiles And Increase The Temperature Of The Surrounding Air; It Is Recommended To Set Up A Special Temperature Setting Area For Your Pets.[Standard Of Use]: According To Experiments, The Reptile Bulb Is Proven To Be Used For 4-6 Hours Per Day. Use In A Standard E27 Base, 220 Volts And Easy To Install. The Product Weight Is Super Light, Only 50G (About The Weight Of An Egg), Suitable For Most High Temperature Resistant E27 Lamp Holders.