This is a optional Dry-Cell (alkaline) Battery Holder for the Futaba 3PK transmitter.

FEATURES: Plastic construction with metal terminals

INCLUDES: One plastic battery holder with pre-installed J-plug on a 2" long lead

REQUIRES: Installation into the radio and 8 AA dry-cell batteries

SPECS: Length: 4.63" (117mm) Width: 2.37" (60mm) Height: .58" (15mm) kpm11/13/2003  

BOX DIMENSIONS: 3.50" W. X .63" H. X 7.50" L. BOX WEIGHT: .06 LBS.