Specification:
LCD1602 LCD 1602 IIC I2C Serial LCD Display Module
Blue Backlight / Blue Background
Control Method : I2C
4 Pin: VCC GND SDA SDL
Operate Voltage: 5V
Displays Types: 16-characters x 2 line

Pin connection for arduino Uno & Nano
GND GND
VCC 5V
SDA A4
SCL A5

Backlight :
Jumpered, enable backlight
open ,disable backlight

Packing List:

x1 unit blue LCD1602 Serial IIC 12C