2/3" bayonet type

Product Dimensions	12.5 x 5.5 x 10.3 inches
Item Weight	8.4 pounds
ASIN	B007BIZGVW
Item model number	AG-HPX500PJ
Batteries	1 Lithium Ion batteries required.
Is Discontinued By Manufacturer	No
Date First Available	February 21, 2012
Manufacturer	Panasonic
Country of Origin	Japan