Store your silica bead packs in the box and monitor the humidity with the hygrometer on the front. Hygrometer linked below.
https://www.amazon.com/ORIA-Hygrometer-Thermometer-Temperature-Greenhouse/dp/B06ZYR9Y3N/ref=sr_1_9?crid=309XJTJ494SK1&keywords=Indoor%2BHygrometer&qid=1649018723&s=hi&sprefix=indoor%2Bhygrometer%2Ctools%2C70&sr=1-9&th=1
The author marked this model as their own original creation.