Leagoo Alfa 1 Cell Phone, WCDMA 3G Unlocked 5.5 Inches Android 5.1 Smartphone, Quad Core 2GB RAM 16GB ROM, 13.0MP 5.0MP Cameras, Black Network: 2G GSM 850/900/1800/1900MHz; 3G WCDMA 850/1900/2100MHz (Real 3G for America) SIM Card: Dual SIM dual standby. One standard SIM card, the other is Micro SIM card Camera: Front 5.0MP + Rear 13.0MP AF with with LED flashlight Display: 5.5 inch 1280x720 IPS Screen with 267 PPI Hotknot: Easily to transfer data and files between two smart devices(both have Hotknot function), fast and convenient to share information