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Economical way to monitor indoor temperature and humidity，Temperature unit C/F changeable
Memory of MAX/MIN values of temperature & humidity， Temperature range: IN side temperature: -10~+50C (+14~+122F)， OUT side temperature: -50~+70C (-58~+158F)， humidity range: 20%~99%RH. Power-supply: 1.5V (AAA size) x 1
Display indoor/ outdoor temperature display， indoor humidity， Power-supply: 1.5V (AAA size) x 1(Included)， Hourly alarm function， Everyday alarm function
Display temperature and humidity simultaneously， desk-top placing or Wall Hanging
Push 'IN-OUT' button to select to show INSIDE or OUTSIDE temperature (IN or OUT will be indicated on LCD screen).