Sero 8 Tablet with WiFi 8" HD Touchscreen Tablet PC Quad-Core Android 4.4.2 (KitKat) - (Certified Refurbished) This Certified Refurbished product is tested & certified by Hisense to look and work like-new. The product includes all original accessories, and is backed by a 90 Day warranty. 8.0" touchscreen, 1280 x 800 HD Resolution 1.6GHz Cortex A9 Quad-Core processor 1GB DDR2 of system memory Google Android Kitkat Built In Android tablet PC has built-in 802.11b/g/n WiFi and Bluetooth v3.0