EC-4034 (650-0804) Specifications Faxback Doc. # 8732 Display system:...................Liquid crystal display, 10-digit mantissa plus 2-digit exponent.............16 characters by 8 lines (96 by 64 dots). POWER SUPPLY: Main-3 lithium batteries...........................(CR2032, Cat.No. 23-162) Memory protection:................1 lithium battery (CR2032,Cat. No 23-162) Power consumption:..................................................0.22 W Auto power off:........................Power is automatically switched off .............................approximately 6 minutes after last operation. Ambient temperature range:........................................32F-104F Dimensions:.........................................5/8"HX33/4"W X 63/4 "D Weight:..........................................6.5oz including batteries (smc-03/04/94)