Features • High quality imaging with 4 MP resolution • Clear imaging against strong back light due to DWDR technology • 3D DNR technology delivers clean and sharp images • Hik-Connect cloud service and APP for remote management and views of devices • Built-in microphone and speaker for real-time audio security • Built-in memory card slot, support microSD/SDHC/SDXC card, up to 256 GB • Water and dust resistant IP6