This is a great Kodak camera in working order.

It takes 620 film. 

The Kodak Duaflex II is a 620 roll film TLR made by Kodak in the US. The original versions were available from December 1947 - September 1950 in the US, and 1949-1955 in the UK

Metal body
One reflecting view finder
A hinged back with spring catch.

Dimensions: 8 x 8 x 11 cm (3 1/8 x 3 1/8 x 4 3/8 inch) approx
It weighs 361 g approx