UCTRONICS for Raspberry Pi 4B Touchscreen with Case, 3.5 Inch High Speed TFT LCD Portable Display with Stylus
Brand: UCTRONICS
Color: 3.5 Inch High-speed Touchscreen with Case

Raspberry Pi 4 3.5 inch Touchscreen with Stylus pen

Resolution: 320x480 (physical) with resistive touch control, the resolution can be adjusted when working with FBCP software driver.
Smoother Display: Support 125MHz SPI signal input without flicker; Up to 60fps refresh rate when working with Raspberry Pi, higher than most similar products, great for playing game and video.
More Features: Self input diagnose instead of the blank screen; Support manual backlight control; Hotplug support, without rebooting the Pi; Support dual-screen display (the Raspberry Pi can connect to another HDMI screen at the same time); Can work with Raspbian/Ubuntu/Kali/Retropie/Octoprint system, all support touch function.
Handy Screen with Perfect Case: the overall dimension of this tiny screen is 3.38”×2.20” (86mm×56mm), the exact size of a Pi; The acrylic case is customized for the screen and Raspberry Pi 4/3 B/B+, no hassle to access to all ports.