[Compact] - Mini Thermometer and Hygrometer with Electronic Digital Display Probe, Wet & Dry Temperature Monitor for Crawling Pets, Egg Hatching Thermometer and Hygrometer < p>[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] - Digital thermometer/hygrometer recording temperature and humidity consecutively stores minimum and maximum values, so you're always up to date on deviations in the terrarium. [3 in 1 mounting] - 1.Large strong magnet.2.Large spring-mounted retractable clamp.3.Retractable table stand. [Two 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: Model of product: DTH-74 Product size: 65*65*15MM line Regular color: black Battery model: AAA7*1PCS battery (not included) Appearance material: ABS Measurement range: external -50 ~ 70 , 10% ~ 99% RH, built-in -10 ~ 50 Measurement error: 1, 5%RH Refresh rate: 10S Working principle: resistance temperature and humidity measurement Button function: IN/OUTPress to display temperature input or output. 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 Note: The data is all measured manually, please allow 1-3cm error, due to the light and display difference, there will be some color difference, the actual object received shall prevail.