What is it?
It is a upgrade version of Deauth detector and USB deauther.
It is pre-flashed and you can select the version you want.
If you do not know what a wifi deauthentication attack is. You can have a look here:
What makes it special?
- Buzzer -- GPIO5
- RGB LED--GPIO4
It could show different status by different color and sound.
If you are under WiFi deauth attacked, RGB LED will turn red and buzzer start playing music. If nothing happened then RGB LED turn green.
You can plug it into power bank or any 5V USB port.
It is also an ESP8266 starter kit, you can use it learn esp8266.
You can start from how to control buzzer or RGB LED.
ESP-Wroom02 inside, it has 4MB memory.