Allview Viper E has display Size 4.5", operating system Android 5.0. The device has ram 1 GB too, card support is microSD, up to 32 GB, it has 8 GB, 1 GB RAM hard disk. Back camera 8 MP is awesome, front camera 2 MP is also not bad. Viper E has power storage, Up to 9 h 15 min. Device status is Available