Your home's personal meteorologist is now right at your fingertips. Check your backyard temperature and humidity while getting ready for work with La Crosse Technology's wireless color weather station. Be informed of extreme changes in the climate with its programmable alerts and recorded history with time and date stamp. Audio and visual warning icons detects when value is reached. Features full calendar view and multi-color dynamic display and trends. Requires (included) AC adapter cord and can add 2 AA for power loss. Included weather resistant wireless sensor transmits within 300 ft. range. Versatile display can stand on table or hang on a wall and display features auto-dimming option.