This LCD digital temperature clock which can display indoor and outdoor temperature and time simultaneously, is ideal for home use. It is suitable to the layout or ` the wall installation. Large LCD display, you can easily read the value. Accurate measurement to measure indoor and outdoor temperature.Features: Material: ABS Color: black Display: 94*54mm LCD display Temperature measurement range Indoor: 0~50/32~122 Outdoor temperature range: -20~70/-4~158 Temperature accuracy: 1 Indoor temperature detection period: test once 30 seconds Outdoor temperature detection period: test once 57 seconds Function: time display, indoor/outdoor temperature, / Switchable, 12H/24H time format, separate transmitter Transmitter battery: 2*1.5V AA batteries (not included) Temperature clock Power supply: 2*1.5V AAA Batteries (not included) Transmitter size: 130*40*22mm Hygrometer Clock size: 150*86*23mm Transmitter weight: 47g Temperature clock Weight: 122g Package size: 16*14*3cm Package Weight: 259gPackage List: 1 * Temperature Clock 1 * Transmitter 1 * User Manual