Using this light fixture is easy. First, make sure to choose a Zoo Med Reptisun T5 HO lamp that fits your needs. Then, install the lamp into the fixture. Place the fixture in a proper position in your reptile's terrarium to provide the right amount of light. When handling the lamp, always turn off the power to avoid any electric shock. To maintain the fixture, clean the reflector regularly with a soft, dry cloth to keep its high - efficiency performance. Replace the lamp as recommended by the manufacturer to ensure your reptile gets sufficient UVB and UVA light.