[Compact] - Mini Thermometer and Hygrometer with Electronic Digital Display Probe, Wet & Dry Temperature Monitor for Crawling Pets, Egg Hatching Thermometer and Hygrometer[Accurate Monitoring] - Our Digital Thermometer and Gauge humidity is accurate to ±1℃ temperature and ±5% humidity. Accurately measure temperature and humidity in vivariums, hatchers, brooders, propagators, etc.[Max Memory / Min] - The digital thermometer / hygrometer recording temperature and humidity consecutively stores the minimum and maximum values, so that you are always up to date on the deviations in the terrarium.[3 in 1 assembly] - 1.Large, strong magnet.2.Large, spring-mounted retractable clamp.3.Retractable table stand.[Dual Sensors] - Comes with two sensors for temperature and humidity, each sensor in a plastic case comes with a strong suction cup r mounting the probes.