1.Motion activated backlight function<br> 2.Large indoor/outdoor temperature &humidity display with trend<br> 3.Indoor temperature range : 14°F~122°F(-10°C~+50°C)<br> 4.Outdoor temperature range : -40°F~140°F(-40°C~+60°C<br> 5.Humidity range : 1%RH-99%RH<br> 6.Up to 3 RF channels for outdoor sensors (only one sensor included)<br> 7.Max/Min temperature & humidity records within 24 hours(in and out)<br> 8.Comfort level indication<br> 9.°C/°F switchable<br> 10.Wall hanging, table standing or magnet attaching<br> 11.Low battery indicator<br> 12.White backlight for 8 seconds<br> Colour:White<br> Material:plastic<br> Package Contents:<br> 1x Digital Hygro-thermometer<br> 1x Remote Sensor<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.