Allview V2 Viper E has display Size 4.5", operating system Android 5.1. The device has ram 1 GB too, card support is microSD, up to 256 GB, it has 8 GB, 1 GB RAM hard disk. Back camera 5 MP is awesome, front camera 2 MP is also not bad. V2 Viper E has power storage, Up to 10 h. Device status is Available