If you order lamp set, please note lamp watt, this is important.Features: Suitable for reptile pets, like snake, frog,spider,Lizard, tortoises terrapins and others pets light holder with strong clamp-on clip, and flexible tube can adjust freely, focus light and heat to desired spot. Can install all E27 lamp, like ceramic heater, UVA, UVB, infrared heater and so on, easy to use Rotary switch, can freely adjust the brightness and temperature of the lamp, safe and energy saving Specifications: Type: Reptile lamp Set Lamp Holder Color: Black,white Voltage:220-240V Lamp base: E27 Plug: EU Plug 25w fit for aquarium/tank length