The GDEH0154D27 with Extended Fittings - Raspberry Pi RoHS manufactured by Waveshare is an electronic part designed to be used with Raspberry Pi products. It features a 154mm diagonal display, ultra-low power consumption, and a high resolution of 640×480 pixels. The extended fitting version is for better fitting and stronger connections when used with the Raspberry Pi. This part is also RoHS compliant, meaning that it is made without lead or other toxins, making it an eco-friendly choice.