Apple iPad mini 4 (128GB, Wi-Fi, Space Gray). 7.9inch (diagonal) LEDbacklit MultiTouch display. 2048by1536 resolution at 326 pixels per inch (ppi). A8 second-generation chip with 64-bit architecture. 1.2MP photos. FaceTime video calling over WiFi or cellular. 8MP photos. 1080p HD video recording. Fingerprint identity sensor built into the Home button. Apple Pay with your iPad using Touch ID within apps. WiFi (802.11a/b/g/n/ac); dual channel (2.4GHz and 5GHz). Bluetooth 4.2 technology.