This is a power adapter with an output voltage rating of 9V and a current rating of 1A making it compatible for use with Arduino boards, it converts AC to DC.
Technical Specifications
Input Voltage: 100 -240VAC
Frequency: 50 – 60Hz
Output Voltage: 9V
Output Current: 1A
Cord Length: 1m
Applications
It is used as a power supply for Arduino projects.