The Weather Channel WS-9043TWC Wireless Weather Station with Heat Index

Features Includes a wireless transmitter Heat Index (°F) Records Min. and Max. Heat Index with time stamp Dew Point (°F) Records Min. and Max. Dew Point with time stamp Barometric pressure tendency arrow Forecast icon based on changing barometric pressure Wireless outdoor and indoor humidity (RH%) Records Min. and Max. humidity Indoor comfort icon Wireless outdoor and indoor temperature (°F) Records Min. and Max. temperature with time stamp Moon Phase Atomic time and date with manual setting Time Zone setting Time alarm with adjustable Snooze LCD contrast setting LED backlight Wall hanging or free standing Actual Size: 7.8 in x 4.24 in x 1.24 in Indoor Temperature Range: 14.1°F to 139.8°F Remote Temperature Range: -21.8°F to +157.8°F Humidity Range: 1% to 99% Dew Point Range: -21.9°F to 157.8°F Heat Index: -21.9°F to 217°F Power Source (receiver): requires 3 "AA" alkaline batteries Power Source (sensor): requires 2 "AA" alkaline batteries Transmission Frequency: 433.92 MHz Transmission Range: up to 330 feet