This product consist micro sd card which has pre-installed kali linux os on it.
Bootable Drive, Bootable Memory Card
Raspberry Pi Kali Linux OS
Kali Linux is a Debian-based Linux distribution aimed at advanced Penetration Testing and Security Auditing. Kali Linux contains several hundred tools which are geared towards various information security tasks, such as Penetration Testing, Security research, Computer Forensics and Reverse Engineering.