This LCD digital temperature clock which can display indoor and outdoor temperature simultaneously is ideal for home use. It is suitable for layout or wall installation. Large LCD display, you can easily read the value. Accurate measurement for measuring indoor and outdoor temperature.; Features: Material: ABS Color: Black Display: 94*54Mm Lcd Display Indoor Temperature Measurement Range: 0~50/32~122 Outdoor temperature range: -20~70/-4~158 Temperature Accuracy: &Plusmn; 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 x 1.5V Aa batteries (not included) Temperature clock power supply: 2 Aaa 1.5V batteries (not included) Transmitter size: 130*40*22Mm Hygrometer Clock Size: 150*86*23Mm Transmitter weight: 47G Temperature Clock Weight: 122G Package Weight Size: 259G Package List: 1 * Temperature Clock 1 * Transmitter 1 * User Manual