Lazurite 920J: Lazurite 920J is an SD Card-Sized (32mm x 24mm) Ultra Compact 920 Mhz Specified Low Power Wireless MCU that Supports a Wide Voltage Range (1.8V to 5.5V) for Greater Applicability.Compatible with Lazurite Sub- GHz Software, it Features the Same IO Terminals with a 1.27 mm Pitch.In Addition Programe Writting is Possible Using Lazurite Mini Writer. (Sold Separately)