BLU Tank Extreme 2.4 T450X Unlocked GSM Dual-SIM Phone w/ IP65 Certification - Black/Blue Main Display Resolution: 240 x 320 pixels Rear Camera: VGA Standard Operating System: Proprietary OS Built-in Storage: 32MB Battery Type: Removable Lithium Ion Battery Capacity: 1650 mAh Dimensions (H x W x D): 5.07 x 2.31 x 0.56 Weight: 0.47