In this video, we learn how to use the Solarmeter 6.2 for reptile habitats. This is the most accurate hand held meter on the market. Make sure you use UV blocking sunglasses while using this. This type of light will provide the reptile with needed vitamin D. Make sure you set this up without the reptile in the cage. Move the device until you find the center, then see how far down the UV light goes. Move the light according to where the light hits. Check until you have the right amount of light, then you can place your reptile inside the cage. Make sure you check this daily and your reptile will have a healthy life.