This is a brand new 4 x AA battery holder with a 9V style snap terminal, and outputs 6 volts. Dimensions are 57mm x 30mm x 28mm.
Shipping:

Free shipping via USPS Ground Advantage.
Ships in 1 business day.
30 Day Return Policy:
Defective items will be refunded or replaced at no cost. All others must be returned in original new, unused/unopened condition.