Premium Glass Material: Crafted From High-Quality Glass, Our Bulbs Are Durable And Safe. They Withstand The Rigors Of Daily Use, Making Them A Reliable Choice For Your Pet's Lighting Needs. E27 Screw-In Fixtures: Convenient And Easy To Install, Our Bulbs Fit Standard Lamp Sockets. They Offer A Hassle-Free Solution For Replacing Old Or Burnt-Out Lamps. Simulate Sunlight: Designed To Mimic Natural Light, These Bulbs Provide The Essential UVA And UVB Rays. They Help Maintain Healthy Metabolism And Calcium Absorption In Your Pets. Reptile And Amphibian Care: Suitable For A Variety Of Species, Our Lamps Cater To The Specific Lighting Requirements Of Reptiles And Amphibians. They Enhance The Overall Health And Happiness Of Your Pets. Usage Recommendation: To Ensure Optimal Performance And Safety, We Suggest Using The Lamp For 2 To 4 Hours Per Day. This Balances Light Exposure With Energy Efficiency. Crafted With Care For Your Reptiles And Amphibians, Our Reptile Heat Lamp Bulbs Offer A Blend Of Durability And Functionality. The UVA+UVB Full Spectrum Light Supports Metabolism And Calcium Absorption, While The High-Quality Glass Ensures Longevity. Easily Installable In Standard E27 Fixtures, These Bulbs Are A Practical And Essential Addition To Any Pet Owner's Toolkit.