slbrillreCompact: - Mini Thermometer and Hygrometer with Electronic Digital Display Probe, Dry Wet Temperature Monitor for Crawling Pets, Egg Incubation Thermometer and Hygrometer Accurate Monitoring: - Our digital thermometer and humidity gauge is accurate to 1 temperature and 5% humidity. Accurately measure temperature and humidity in vivariums, hatchers, brooders, propagators, etc. Max/Min Memory: - The digital thermometer/hygrometer recording temperature and humidity stores the minimum and maximum values consecutively, so you are always up to date on deviations in the terrarium. 3 in 1 Mount: - 1.Large powerful 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 for mounting the probes. Features: Product model: DTH-74 Product size: line 65*65*15MM Regular color: black Battery model: AAA7 battery * 1PCS (not included) Appearance material: ABS Measuring range: external -50 ~ 70 , 10% ~ 99% RH, built-in -10 ~ 50 Measuring error: 1, 5%RH Refresh rate: 10S Working principle: resistance temperature and humidity measurement Button Function: IN/OUTPress to display the inlet or outlet temperature. C/FSwitches the temperature between Celsius and Fahrenheit. MAX/MIN: Press to display the maximum and minimum temperature and humidity. Package Includes: - 1 x Thermometer and Hygrometer