USBtinyISP is designed for AVR ,based on USB connector's ISP download wire.
Officially supported by for ArduIDE
Support with for Ardubootloader burning onto atmega chips
4 screw holes version
Power LED and activity LED
220 U capacitor for stable process
It comes with easy programming instruction for Ardubootloader and 8u2 USB interface
Package include: 3 x USBTINYISP programmer 3x 10pin programming cable 1 X USB cable