Package Included

- 1 x 1.8 inch Full Colour 128x160 SPI Full Color TFT LCD Display Module ST7735S

Description:

- Display mode -TFT
- The input data SPI interface
- Drive IC ST7735S
- Resolution 128RGB * 160 points
- Active area LCD 28.03 (W) * 35.04 (H)
- Pixel size 0.219 (W) * 0.219 (H)
- Display direction At 12 o'clock
- Operating temperature -20 70 ° C

Pin descriptions: 
- 1 GND Soil
- 2 VDC Power 3.3 V
- 3 SCL Series watch pin
- 4 SDA Data Entry Series
- 5 RES LCM Reset pin
This pin is resetting the signal input. When the pin is low, the initialization of the chip is executed.
Keep this high during normal operation.
- 6 DC Data / Control
- 7 CS Chip, select
- 8 BLK Control pin background

References

• https://www.electronics-lab.com/project/using-st7735-1-8-color-tft-display-arduino/
• https://steemit.com/utopian-io/@pakganern/arduino-1-8-tft-st7735-lcd-tutorial

Note: This module has a common issue which looks like bad pixels, however, it's not the bad pixels and not the faulty. It is a screen offset issue.
It depends on your code. Please inspect your code before asking replacement.