EC-209 (650-0555B) Specifications Faxback Doc. # 6329 Display:.................................8 -Digit, Liquid Crystal Display Operating Temperature:.........................32 degrees F-104 degrees F .............................................(0 degrees C - 40 degrees C) Power Source:........................................2 AAA Size Batteries Current Drain:.......................................................40mA Sound/Alarm Level:.............................................84 +/- 6dB (CJD/all-06/23/94)