Compatible With E27 Bulb: The Lamp Socket Can Be Used With Various E27 Lamps, Such As Fluorescent Lamps, Incandescent Bulbs, Heating Lamps, Uva Lamps, Uvb Lamps, Halogen Bulbs, Led Bulbs, Etc. 360 Degree Flexible: The 30 Arm Can Be Bent 360 Degrees Freely, So That The Height And Direction Of The Light Can Be Adjusted Flexibly. The Metal Arm Is Flexible, But At The Same Time Maintains Its Position. Thanks To The Clip, It Is Ideal For Fixing In The Aquarium, Terrarium, Desktop, Breeding Box, Hydroponic Box. The Clip Can Be Easily Opened By About 3. Ceramic Lampholder: The Inside Of The Lamp Holder Is Made Of 150 High Temperature Resistant Ceramic. Used In Combination With Uva/Uvb Bulbs (Not Included) Can Provide Significant Uvb And Uva Rays To Reptiles And Turtles, Helping To Prevent Or Reverse Metabolic Bone Disease. Easy To Use: Lamp Holder E27 For Tortoise Lamp Is Very Practical. It Has An Easy On/Off Switch For Operation. E27 Socket With European Plug Adapter, Ac 220V-240V. With 1.8M Wire And Adjustable Arm, Adjustable As Desired. Note: That The Distance Between The Lamp(Not Contain) And The Animal Is At Least 12 Inches. Widely Used: This E27 Socket With Clamp And Arm Is Ideal For Reptile, Amphibian Heating Lamp And Small Animals Such As Small Water Turtles, Baby Land Turtles, Lizards, Snakes, Spiders, Rabbits, Hedgehogs, Birds, Hamsters, Etc.