Description 32x8 dot matrix common cathode LEDs, three color options: red, green, blue. You receive 1 for each color. Operating voltage: 5V, MCU control. It is compatible with for , for and other development boards. Size: 128x32x13mm, Weight:46g. 5Pin female-to-female Cable length is 16cm. With 64 fixing screw holes for easy installation, diameter 3mm. Modules with input and output interfaces, support for cascading multiple modules. Colour:As Shown Material:pcb Package Contents: 3 x LED Display Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.