Features: 1.Specially designed and suitable for Raspberry Pi 3 Model B and Raspberry Pi 2 Model B and Raspberry Pi B +. 2.Double ventilation cooling side can reduce heat accumulation. 3.Full access to all controls and features. 4.Perfect to protect your board from shock, scratches and dust. 5.Transparent enclosure: all board components are visible. specification: 1. Specially designed and suitable for Raspberry Pi 3 Model B and Raspberry Pi 2 Model B and Raspberry Pi B +. 2. Double ventilation cooling side can reduce heat accumulation. 3. Full access to all controls and features. 4. Perfect to protect your board from shock, scratches and dust. 5. Transparent enclosure: all board components are visible. 6.Made of high quality acrylic, which make the box more durable. : Case: acrylic Voltage: DC5V Case Color: translucent Cooling Fan Dimensions: approx.4*4*1cm Install manual: 1.Mount the bottom cover to the Raspberry Pi. 2. Install the cooling fan onto the top cover. 3. Plug the power cable onto the GPIO port (follow instructions on photo). 4. Install the top the bottom cover. Package list: 1 x Clear Case