This is the latest Nikon camera.Nikon D5600 has a 24.0MP APS-C (23.5 x 15.6 mm ) sized CMOS sensor and features Expeed 4 processor. You can shoot at maximum resolution of 6000 x 4000 pixels with aspect ratios of and 3:2. D5600 has a native ISO range of 100 - 25600 and it can save files in RAW format which gives you a wider room for post processing.
Nikon D5600 is not the highest resolution APS-C camera. Canon M6 MII with its 33.0MP sensor is leading in this class. Check the comparison of Nikon D5600 vs Canon M6 MII or take a look at Highest resolution DSLR cameras list.