CHENGYIDA White Clip On Lamp Light Holder for Reptile Vivarium Tortoise Clamp Light Holder Stand for Reptile Ceramic Infrared Emitter Heat Lamp This light holder can be rotated in 360 degree. (Up / Down / Left / Right). So, You can make it toward the direction you want. This holder fit all E27 style light. It's a holder for screw in style lights / bulbs. The maximum power load for this light holder is 300W Size for holder tube: 11cm Length x 5.1cm Diameter Size for the clamp: 11.5cm Length x 7.5cm Width Fit E27 style lights. (It's a holder for screw in lights / bulbs) Maximum load power: 300W This item can be rotated 360 degrees in up / down / left / right direction. Color: white