This downloader is much better than red version. It use CH340C chip, added ESP8266 auto-download circuit, it is very convenient for user to download program, update firmware, debugging. It has RESET tact switch It support Arduino IDE, Ai-thinker ESP8266 Flasher and Espressif FLASH_DOWNLOAD_TOOLS 'No need connection, no need to press button, WiFi module will go into download mode automatically It has RESET tact switch'