★★★★★★★★★★★★★★★★★ I am selling multiple items for biological specimen care. If you wish to purchase multiple items, I will discount the shipping cost. Please comment with the items you wish to purchase, and I will prepare a dedicated listing. Feel free to contact me. ★★★★★★★★★★★★★★★★★ ※ 4 remaining. Thank you for viewing. This is a set of 4 instruments that can measure temperature and humidity simultaneously.