12x12x18 terrarium. Was used to house a Gargoyle Gecko for 2 years. She was a slow growing Gecko!! She has now up grade to a bigger home and no longer need this one!! Come with light and bulb, feeding dishes and hiding place. Only miss a temperature/humidity gage. I used a digital one, I like them better as they are more accurate. You can get a digital combo gage at petsmart for $20. Found an extra bulb and digital combo gage I'm going to add in.