Humidity Measurement Range: 10%RH~99%RH Temperature Measurement Range: -50°C~+70°C (-58°F~+158°F) Support frame for table standing and hanging hole for wall hanging 5 in one(alarm clock, time display, calendar display, temperature display, humidity display) Maximum and minimum temperature humidity can be stored automatically, 24h / 12h display, Celsius / Fahrenheit display correspondence