Voltage: 5V Material: PC + Plastic Color: As shown in the picture ERM4002DNS-1 is 40 characters wide,2 rows character lcd module,SPLC780C controller (Industry-standard HD44780 compatible controller),6800 4/8-bit parallel interface,single led backlight with white color included can be dimmed easily with a resistor or PWM,ffstn-lcd negative,white text on the black color,high contrast,wide operating temperature range,wide view angle,rohs compliant,built in character set supports English/Japanese text, see the SPLC780C datasheet compatible with the full character set. It's optional compatible with pin header connection,5V power supply and compatible with I2C adapter board compatible with arduino. such as compatible with 8051,PIC,AVR,ARDUINO,ARM and Raspberry Pi.It can be used in any embedded systems,industrial device,security,medical and hand-held equipment. Color: As Shown Material: PC+Plastic Package Contents: 1*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.