2 Relay RF Module with Remote Control 12V 433MHz can be used to activate automatic gates, windows, brakes, activation of bridge cranes, protection barriers, etc.
This product works in the band of 433Mhz
This Arduino LCD display shield with built in microSD card connection. This TFT display is big (2.4″ diagonal) bright and colorful different 240×320 pixels with individual pixel control. It has way more resolution than a black and white 128×64 display.