Rexchip -six-core 64-bit server-class processor, 4GB LPDDR4 memory ,On-board WliFi+Bluetooth Dual camera support, NPU, dry megabit network port, power management|16GB EMMC, TF card, microphone Support running Android 8.1, 16.04/18.04, Debian9 and other operating systems Specially use the metal screws and pillar to fix the 4LTS with case , very stable. Made of high quality material, more durable color: blue Material: PCB+Acrylic Package Contents: 1X for 4 Board 1X Acrylic Case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.