The programmer uses the specially produced CH341A usb chip usb/usb1.1 comms. This unit is Suitable for amateur programmers of 24 and 25 series FLASH. Support USB to TTL. Erasing speed is probably 2-3 Mbit check . Usage: TV set memory, desktop motherboard, LCD, notebook router, card, DVD, set-top boxes, unlocking software, backup, erasing, burning, checking, repair etc. color:As shown Material:PC+metal Package Contents: 1 x CH341A 24 25 Series EEPROM Flash BIOS USB Programmer 1 x 1.8V adapter for or motherboard 1.8V SPI Flash Memory SOP8 DIP8 1 x SOP8 SOIC8 to DIP8 EZ Programmer Adapter Socket Converter Module 150mil 1 x SOIC8 SOP8 Flash Chip IC Test Clip socket adapter BIOS/24/25/93 Programmer Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.