10 mAExpected battery life under continuous useCarbon: Approx. 50 hoursAlkaline: Approx. 80 hours* These figures will vary depending on the actual conditions of use.AccessoriesOwner's manualLeaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information")Carbon-zinc battery (9 V, 6F22)Option (sold separately)AC adaptor (PSA series)SIZE AND WEIGHT ( INCL. BATTERY )Width73 mm2-7/8 inchesDepth129 mm5-1/8 inchesHeight59 mm2-3/8 inchesWeight360 g13 oz* 0 dBu = 0.775 Vrms*The specifications are subject to change without notice.