The official Nintendo Switch 2 AC adapter (UK Plug) has an input of AC 100V - 240V, 50/60Hz, 1.6A and supports multiple output voltages: DC 5.0V/3.0A, 9.0V/3.0A, 15.0V/3.0A, and 20.0V/3.0A. The adapter has a UK plug, a total weight of approximately 150g, a cable length of about 1.5m, and its main body measures approximately 

$49.5mm\times 38.5mm\times 45mm$

 (without the plug and cable).