I took the second of these monitors here. I bought the first one directly from the Apple Store. Amazon's was significantly worse in quality and brightness, and the included Thunderbolt 3 cable didn't work. Return. save yourself the trouble and buy a new one. Don't sacrifice image quality to save a few bucks.
Sceptre C325B-144R: Advanced FreeSync HD Display with Wall Mounting and Tilt Adjustment
94 Review
HP 24Uh 24" Backlit Monitor 1920x1080p, 60Hz, LCD with HD Resolution - K5A38AA#ABA
101 Review
Dell SE2416HX Screen LED Lit Monitor 23.8", 1920X1080P, HDMI
93 Review
Dell E2318Hx LED Lit Monitor: High-Definition Display with Flicker-Free Technology and IPS Panel
109 Review