With it's 4100mAh cell, ZenFone 3 MAX powers through the day with standby power lasting up to 30 days;Super Saving mode can extend battery life 36 hours standby time even at 10% battery;A 13MP PixelMaster Rear camera and 5MP Front captures beautiful, high-resolution photos with zero shutter lag;The 5.2-inch HD IPS display gives you more display with less bulk for a 75% screen-to-body ratio;Dual SIM Dual Standby (DSDS) (Micro SIM Slot*2) compatible with GSM networks including AT&T, T-Mobile and other providers