This one is a white 16x16 LED dot matrix which dot size is only 1.7mm.
Available emitted color: Red, yellow-green, pure green, yellow, blue and white.

The size is only 40x40mm.

Part No: SZ71151616W
Features
1.6 inch matrix height.
Dot size 1.7mm.
Pitch 2.5mm
Low current operation.
High contrast and light output.
Stackable horizontally.
Column cathode and column anode available.
Easy mounting on P. C. Boards or sockets.
Multicolor available.
Mechanically rugged.
Standard: Black face, white dot.
RoHS and REACH Compliant.
The followings are the packaging dimensions and internal circuit diagrams.