This is Genius G540 USB universal programmer EPROM FLASH MCU GAL PIC BIOS SB Universal G540 EPROM FLASH MCU GAL AVR PIC Programmer Built-in 40 pin ZIF socket Is fully updatable via software link included in manual to software website Pin contacting detection: if IC and ZIF pins fail to connect, operation will be automatically ceased LED indicator light USB power benefits from low consumption and unit has anti over-heat protection Sturdy, compact unit is fully portable G540 is the newest type of the GENIUS programmer family. At the lower price, G540 is still using USB port for communication to the PC.