Raypodo VESA wall mount 21.5" to 55 inch RK3399 Android 9.0 touchscreen monitor Product features: 21.5 inch LCD screen with 1920*1080 Resolution Dual-core A72+quad-core A53,2.0G,RK3399 support 2K/4K display 10-Point capacitive touch 2GB+16GB / 4GB+64GB option WIF 802.11b/g/n/ac,2.4G+5G / Bluetooth 4.0 USB/ HDMI output/RJ45 Raypodo Accept customized with SIM 4G POE function