MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
6.75 x 11.25 x 7.75 inch transmitter, having 70 vrms output voltage sheath fault and trace, and 10 or 60 vrms output voltage for tone; 10.25 x 10.50 x30.00 inch receiver, with 0.1db displayresolution, 0-3 foot depth display range; operating temperature between -4 and122 degrees f; output protection 24 vrms; battery power, 6 "c" size alkalin (lr14)cells; external dc: 9-18v dc(1a) ; battery life normally 50 hours, high output 10 hours