VEVOR Electric Humidor, 75L, 450 Counts Electric Cigar Humidor Cabinet with Compressor Cooling, Constant Humidity & Temperature Control, Spanish Cedar Wood Shelves & Drawers, 4 Layers, for Household

Thank you for your inquiry. This electric humidor is designed to operate in an ambient temperature range of 1°C to 32°C (34°F to 89.6°F), with an operating humidity range of 20% to 95% RH. For the best performance, we recommend placing the unit in a well-ventilated indoor location, away from direct sunlight and heat sources. If this answer does not resolve the current issue, please contact us again for assistance.

Does "door reversing" mean the direction the door opens? If that's what you mean, then the opening direction is fixed and cannot be changed. It's best to use purified water.