REPTIZOO 2 in 1 Humidifier w/ Hygrostat and Timer #TF07-CAProduct Description 2 IN 1 MODE USE: Patented design with built in timing or USB humidity controller. This reptile humidifier uses intermittent timing principle to set the spraying frequency, interval time and spray duration for repeated periodic humidification without USB. It can also detect the humidity level in the terrariums and work according to the set humidity range with USB. Minimum & maximum setting value, current temperature, and current