OLED Display 0.42" module is an OLED 72x40dot matrix display module with SPI Interface. Comparing to LCD, OLED screens are more competitive, which has a number of advantages such as high brightness, self-emission, high contrast ratio, slim thin outline, wide viewing angle, wide temperature range, and low power consumption. Sinda Display is professional manufacturer of Monochrome LCD display for Industry application, include digital panel meter, UPS, inverter, multi-function meter, POS machines, Fuel Dispenser, Gas Dispenser, Flow Meter, KWH Meter, Energy Meter, Water Meter, Gas Meter, Smart Meter, Pump controller etc. For any other custom requests, feel free to contact us.