High-quality material, protects your Pi securely 1. 4-in-1, perfect for Raspberry Pi Zero W and Pi Zero 2. Acrylic case, easy to install. Shows perfect details with cooling plate hole, ideal for cooling plate 3. GPIO pins: 40 unmounted pins, gold-plated contacts, GPIO pins labeled for easy prototyping 53 mm pin length for GPIO header, easy to connect Remove the protective sticker from the case before use Note: Remove the protective film from the acrylic case before use, it becomes transparent Model: for Pi Zero W and Pi Zero Color: transparent Material: Acrylic Package includes: 2 x Acrylic cases (does not include Raspberry Pi) 2 x Aluminum cooling plates 2 x 20-pin x 2-header GPIO headers 2 x Screwdriver Only the above package includes, other products are not included Note: Light reflection and different screens may cause the color of the product to differ slightly from the actual. Allowed measurement error is +/- 1-3 cm