Ideal for homeowners , gardeners , and weather enthusiasts needing data for greenhouses , basements , or living spaces to optimize HVAC efficiency and related damage Engineered with a casing and clear temperature trend arrows , it records values , 12 / 24 hour clock option , and alerts users when indoor conditions suggest optimal window opening moments Simplify climate management with its sensors compatibility , easy to read color coded comfort zones , and easy setup Perfect for baby rooms , wine cellars , workshops , or vacation homes , providing updates on environments ranging from 40°C to 60°C ( 40°F to 140°F ) with 20 % 95 % humidity accuracy Monitor indoor / outdoor temperature and humidity wirelessly with this advanced hygrometer , featuring a large color screen , customizable temperature unit display , and real time comfort indicators for precise environmental tracking, Manufacturer: ERRORY