The Asus Zenfone 4 Selfie Pro ZD552KL is powered by a Octa-core 2.0 GHz Cortex-A53 CPU processor with 4 GB RAM. The device also has 64 GB internal storage + microSD (up to 256 GB (dedicated slot)) and a 5.5-inch AMOLED capacitive touchscreen (1080 x 1920 pixels, 401 ppi) display. It has a 16MP rear camera and supports Wifi, GPS, 3G and 4G LTE. It packs in a Non-removable Li-Ion 3000 mAh battery at 7mm device thickness and weight 145g, running on Android 7.0 (Nougat).