ITEM NAME:2.4" TFT LCD Shield Touch Panel Module TF Reader for Micro UNO R3 Description: 2.4" diagonal LCD TFT display, with bright 4 white-LED backlight, default state: on It can control the the backlight to connect the transistor to a digital pin 240X320 Pixels, with colorful and 18-bit, 262,000 different kinds of shade 4-wire resistive touchscreen 8 bit digital interface, plus 4 control lines Specification: Size: Approx. 72 ×52 ×12 mm/ 2.83 ×2.05 ×0.47 inch Uses digital pins 5-13 and analog 0-3. To use digital pins 2, 3 and analog 4 and 5. Pin 12 is available 5V compatible, use with 3.3V or 5V For Mega 2560, UNO R3, etc. Package Includes: 1 Piece of 2.4" TFT LCD Shield Socket Touch Panel Module Note: Power supply: 5V-26V, if the 5V power supply must be more than 2A, recommended 9V power supply. After plugging in the motherboard, the power supply must be capable of supplying 2A, because GPRS Shield boot current and the maximum peak current required to work up to 2A, but the USB port is unable to provide such a large current, and it must be an external power supply equipment. The other way the power supply pin leads to 3.7 - 4.5V power supply for lithium battery power supply. The serial port is perfectly compatible with microcontrollers. TTL serial port compatible with 3.3 and 5V microcontrollers..1 Piece of 2.4" TFT LCD Shield Socket Touch Panel Module. 2.4" diagonal LCD TFT display, with bright 4 white-LED backlight, default state: on. 240X320 Pixels, with colorful and 18-bit, 262,000 different kinds of shade.