Battery holder for four "D" size batteries.
Pre-wired for 3Vdc output.
Two batteries are in series and those are in parallel with the other two for 3Vdc but at a higher current.
Comes with a pre-wired center positive switched 5.5mm OD X 2.5mm jack.
Our 121-1030 plug fits and is available. Sold seperatley.
Leads are insulated 32AWG and are approx. 5-1/2" long.
5-1/2" Length X 4-1/2" Width X 1-5/8" Depth