Specifications:

1.8" diagonal LCD TFT display

Physical dimensions: 2.71" (69mm) width, 2.1" (53.5mm) height, 0.27" (6.94mm) thickness (top of joystick)

128x160 resolution, 18-bit (262,144) color

4 wire SPI digital interface

Built-in microSD slot - uses 2 more digital lines

5V compatible! Use with 3.3V or 5V logic Arduinos

Onboard 3.3V @ 150mA LDO regulator

2 white LED backlight, transistor connected. Defaults to 'on' but can be connected to a digital pin for PWM or simply turning off

Comes with header, requires soldering!

Display current draw is mostly based on the backlight, with full backlight the current draw is ~100mA, this does not include the SD Card. SD cards can draw 20-100mA based on read/write. Measure current draw in circuit to get precise numbers.