Keyestudio HT16K33 I2C 8 x 8 LED Dot Matrix Module for Arduino (BLACK)

Features at a glance: 
- Adopt constant-current drivers for ultra-bright, consistent color, 1/16 step display dimming, all via a simple I2C interface
- The matrix uses a driver chip which will do all the heavy lifting for you, with a built-in clock to multiplex the display

Parameters: 
- IO interface: I2C
- Material: FR4
- Working voltage: DC 5V
- Working current: 30mA
- Working temperature: -10 Deg.C - 50 Deg.C