The case can be used as for raspberry pi case with mini cooling fan and 3.5 inch screen installed. Please note that the ABS case is specially designed for Raspberry Pi 4 Model B only. The 3.5 inch LCD Contact screen has 480 x 320 resolution, with resistive Contact control; SPI Interface; Power: 5V 0.13A. The LCD Contact screen is suitable for Raspberry Pi 4B/ 3B/ 3B+ versions. When used for Pi 4B, can support for Raspbian system, for kali Linux system. When used for 3B/3B+, can support for Raspbian system, for ubuntu system ,for kali Linux system. The case has the split design for easy installation, protecting your pi computer and screen, Screen Size: 3.5 Inch LCD Type: TFT LCD Interface: SPI Contact Screen Type: Resistive Contact Screen Controller: XPT2046 Backlight: LED Resolution: 320*480 (Pixel) Power Consumption: 0.13A*5V Operating Temp. (℃): -20~60 Colour: black Material: ABS Package Contents: 4 x Contact Screen 4 x Stylus 4 x Black ABS Housing 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.