Image: 

HD-3

184mm x 83mm x 67mm

HD-2

7 1/8" x 3 5/6" x 1 7/8"

HD-1

7" x 3" x 3/4"

HD-3

184mm x 83mm x 67mm

HD-2

7 1/8" x 3 5/6" x 1 7/8"

HD-1

7" x 3" x 3/4"