FeaturesWirelessly monitors indoor/outdoor temperatureSunny/partly sunny/cloudy/rainy/stormy/snowy color forecast icons.Adjustable backlight.Temperature alerts.Atomic reception indicator.Low-battery indicator.Indoor temperature range - 32 degree F to 122 degree F.Wireless outdoor temperature range - -40 degree F to 140 degree F.Dimension - 10.2 x 9.5 x 2.3 in.