8X Zoom Dual Lens POE Cameras Waterproof PT825D4K HD Resolution 8MP camera, which means single lens is 4MP , so dual lens is 4MP+4MP=8MP Picture in Picture , 8X Optical Zoom You can switch from 1X to 8X optical zoom instantly , watch far and near images through Picture in Picture . Compared with traditional camera, it can fast zoom in or zoom out without lag. Meanwhile, the stable and clearer image also can be promised . Real 2. 8 8MM Dual lens design Built in 2. 8mm ultra wide angle lens & 8mm