LUOWAN Z5 5.0 Inch Android 4.4 Waterproof / Shockproof / Dustproof Unlocked Smartphone (Black) Android 4.4 Rugged Phone Looks Waterproof IP67 Dustproof CPU is MTK6572 DuadCore 1.0Ghz Unlocked cell phones are compatible with GSM and WCDMA carriers such as AT&T and T-Mobile, but it are not compatible with CDMA carriers such as Verizon,MetroPCS and Sprint. 5.0 Inch Screen HD 854x800 IPS;2500mAh Big Battery Band (2G): GSM 850/900/1800/1900MHz/2100MHz