Features: <br />Large LCD display、 multi-function. <br />Indoor !#!amp!*! outdoor temperature display、 indoor humidity display and time display. <br />Memory of MAX !#!amp!*! MIN measuring value. <br />12 hour / 24 hour displaying system selectable. <br />?/&deg; F unit selectable. <br />Clock、 Date !#!amp!*! Calendar function (month and date). <br />Everyday alarm function. <br />Desk-top placing or Wall Hanging. <br />Low power consumption. <br />High stability !#!amp!*! accuracy. <br />Specification: <br />Device color: White <br />Temperature range: Indoor !#!amp!*! Outdoor -50 ~ +70? (-58 ~ +158&deg;F) <br />Humidity range: 10% ~ 99% RH <br />Power supply: 1.5V*1 (AAA size) ?not included? <br />Device dimension: 10.5*9.8*2.4cm