The graphic OLED 128x64 WEO012864H have the same OLED panel as WEO012864G but with Hot Bar PFC. This display is also built-in SSD1309 IC, it communicate via 6800, 8080, SPI and I2C interface. These OLED COG modules are ultra thin, lightweight and low power consumption which is great for handheld instruments, meters, smart grid, wearable device, IoT, etc.