ARZOPA 16.1'' 180Hz 2.5K Portable Monitor, 2560x1440 QHD 107% sRGB -Z3FC

This deal offers a 16.1-inch portable monitor with a 180Hz refresh rate and 2.5K resolution for $140. While the discount is decent, portable monitors with these specs can often be found in a similar price range, making this a moderate saving rather than an exceptional one. It's a good option if you need a portable display with a high refresh rate and resolution.