Digital Thermometer/Hygrometer. Digital LCD Minimum, Maximum thermometer and humidity device. Allows you to reset minimum and maximum settings. Large letters for easy reading. Comes with 1 AA battery. This is not a controller. Displays the readings only.... — Ships from Portland, Oregon USA....more info.
Active Air Indoor-Outdoor Thermometer w/Hygrometer Active Air Active Air Indoor-Outdoor Thermometer w/Hygrometer (HGIOHT)Active Air's indoor-outdoor thermometer gives you more. Made of sturdy materials to stand up to the climate of your indoor grow room, this essential tool features a large display to read the current temperature and humidity levels. A remote probe allows you to sample two temperatures at once and record the high a... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.