The backlight and contrast is adjusted by potentiometer.
Come with 2 IIC interface which can be connected by Dupont Line or IIC dedicated cable.
Compatible for 1602 LCD.
This is another great IIC/I2C/TWI Serial Interface.
With this I2C interface module you will be able to realize data display via only 2 wires.
If you already has I2C devices in your project this LCD module actually cost no more resources at all.
It is fantastic for based project.

Specifications:

Size: about 54 x 19 mm(max) / 1.62 x 0.57
Net weight: about 5g
Supply voltage: 5V