ITEM NAME:5Pcs IIC I2C TWI 1602 16x2 Serial LCD Module Display for Description: Interface: I2C I2C Address: 0x27 Pin Definition : GND〠VCC〠SDA〠SCL Back light (yellow with Green character color) Supply voltage: 5V Size: Approx. 80 x 35 x 10 mm Contrast Adjust : Potentiometer Backlight Adjust : Jumper Material: Plastic Package Includes: 5 Pieces 1602 Serial LCD Display Module Note: Color maybe slightly different due to different monitor. The above size is measured by hand, please allow slightly difference. Thanks !.Interface: I2C. 5 Pieces 1602 Serial LCD Display Module. Color maybe slightly different due to different monitor. Back light (yellow with Green character color).