The REPTI ZOO E26 5.5 Inch Versatile Deep Reptile Lamp Fixture Wire Cage Style Reptile Basking Light Lampshade is a versatile and durable fixture that is perfect for any home. Made of high-quality materials, this lampshade is built to last. With a maximum load of 150 watts, it is perfect for use with mercury vapor bulbs or any other type of bulb that may come up in your area. The lampshade comes with an on/off switch on the power cord and is easy to install vertically when using with a mercury vapor bulb.