Looks pretty good, a couple of quick questions though. Is the probe for recording heat, humidity, or both? If the dial on the back of the tank is your thermometer get rid of it in favor of an IR temp gun which can be bought on Amazon for between $20 and $30. You may want to cover the back of the tank at a minimum and I would say go so far as to cover the sides too. Your snake is going to feel exposed despite the two hides with all that open glass.
also, it's a little hard to tell from the photo but it looks like your screen top is uncovered? If so you will want to look up various methods of closing up most of it except for the area under the heat lamp. This will help immensely with your humidity issues and hold in some ambient heat as well.
Good luck, looks like a great start!








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