How long can this Surface Laptop run on battery power?

The maximum battery run time is up to 22 hours.

What is the screen size and resolution of this Surface Laptop?

It has a 15.0-inch PixelSense Flow touchscreen with a resolution of 2496 x 1664.

double click image to zoom in

Microsoft Surface Laptop 15" Touchscreen Copilot+ PC Notebook 120 Hz Intel Core Ultra 5 32 GB 512 GB SSD English Keyboard Platinum EP2-54731

Intel Chip - 2496 x 1664 - Intel - PixelSense Flow - Front Camera/Webcam - 22 Hours Battery Run Time - IEEE 802.11be Wireless LAN Standard - Wi-Fi 7