La Crosse Technology WS-9096U Sun/Moon Wireless Weather Station Weather station offers forecasting function with 3 weather icons and a tendency indicator Monitors indoor/outdoor temperatures and humidity and provides atomic date and time Receiver and sensor each require 2 AA alkaline batteries (sold separately) Includes detachable stand and wireless sensor Receiver measures 6.75 x 4 x 1.4 inches; sensor 6.25 x 1.7 x 1 inches