The adapter consists of a black, rectangular plastic block (the "brick" or power supply unit) with an integrated AC input plug (the image shows the underside with the label, so the plug type is inferred) and an attached DC output cable.
Specifications
Brand: LG Electronics
Input (AC): 100-240V ~ 1.2A, 50/60 Hz
Output (DC): 19V @ 2.1A
Power Output: 40 WattsConnectorBarrel plug (approx. 6.5mm x 4.4mm diameter).
Certifications: CE, NOM, FC, TÜV Rheinland certified safety standards
Compatibility: Used across various LG LED/LCD monitor models and specific LG notebooks/laptops