ELEGOO Saturn S Features a 9.1-inch 4K Mono Screen with an HD Resolution of 4098 * 2560 and an XY axis Resolution of 48μm or 0.048mm.

<
9.1 inches LCD with a HD resolution of 4098 x 2560, reducing layer printing time to 2s-3s while maintaining high printing accuracy.
With 48μm or 0.048mm XY axis resolution and 4.8%-5.2% light transmittance rate, high pixel density ensures smooth surface and delicate finish and fine print details. 
Up to 2000h lifespan, 4X longer than RGB LCD with higher printing efficiency, more stable performance, and less maintenance.
Assembly of the 4K Mono LCD screen is straightforward and easy. (See tutorial video links in the description below). Please follow the instructions on the manual to install the LCD.