The Ender 3 S1 Pro is a new and improved version of the very successful Ender 3. Equipped with a newly developed direct dual-gear extruder, automatic bed leveling, 32-bit silent mainboard, among other things, the S1-Pro is a very affordable printer with everything you could wish for at this price point. 
Higlights
Newly developed high-temp nozzle, reaches up to 300°
New nozzle, compatible with most regular materials on the market
New “Sprite” Direct Dual-gear Extruder, all metal and with 80N of extrusion force
Dual gear direct extruder – compatible with TPU (flexible filament)
Integrated LED light
4,3” LCD screen with simple-to-use UI
Automatic CR-Touch, 16-point bed leveling system
Flexible and removable spring steel build surface
32-bit quiet mainboard for silent printing
Resume print after power loss
Filament run-out sensor