Features: brand new and high quality Good Heat Sink Performance. The for case supports CPU heat dissipation, has a good heat dissipation effect. This DIY housing kit can perfectly fit for NanoPi R2S. High Quality. The for shell adopts high-quality aluminium alloy materials, durable and wear-resistant, and long service life. Precise Design. Precise mechanical structure, exquisite workmanship, it can be perfectly adapted to your equipment. Easy to use. Complete accessories, easy to install and disassemble, stable working performance. Specifications: Material:Motherboard + Metal for Shell Size:Approx.21.5x21.5x4.1cm/8.46x8.46x1.61inches Color:Black for NanoPiR2S Power supply current: 2A Power supply voltage: 5V Power: 1.5W/2W Package Includes: 1x Mini Router note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.