Features: 1.Thehighest-minimumthermometerisusedtorecordthehighesttemperatureandminimumtemperatureofairatacertaintime. 2.Thetemperaturearoundthetubeinablueindicatingneedleofawoolstoma,blueasthetemperaturechangestheindexrise,andwhenthetemperaturedrops,thebluepointernotaffectedbythetemperaturedropandchanges,whichindicatesthemaximumorminimumtemperature. 3.Fineworkmanshipandgoodperformance. 4.2unitsdisplay,CelsiusandFahrenheit 5.Convenienttouse. Descriptions: 1.Itisusedtorecordthehighestandlowesttemperatureintheairinacertainperiodoftime.Basedonthis,itcanscientificallyguideyoutomaintainfruits,vegetables,seedlings,flowersandvariousplants. Specifications: Material:Plastic+Acrylic Color:White Size:approx.230x85x20mm TemperatureRange:-40~+50/-40~+120 Themostsuitableenvironmentforhumanbody:15-25,relativehumidity45%RH-75%RH Roomenvironment:40%RH-70%RH LibraryArtMuseum:45%RH-60%RH Storageofclothing,cottonandwooltextiles:40%RH-60%RH Storageofdairyproducts:50%RH-60%RH HowToUse: 1.Thethermometershouldbesuspendedintheair. 2.Observethetimeoftemperature,andmakeadecision.Recordthetemperatureindicatedatthelowerendoftheindicatorwhenobserving,andprethebuttontoattracttheneedleandthecolumnatbothends. PackageInformation: PackageSize:210x65x29mm/8.19x2.54x1.13in PackageWeight:200g/7oz GeneralBoxPackage PackageIncluded: 1xMax-MinThermometer