Key Features: • 1/1.8" Progressive Scan CMOS • 3K full Color Network Speed Dome with 16:9 image scale • Built-in microphone and speaker for real-time audio security • Built-in memory card slot, support microSD card, up to 256 GB • H.265+, H.265, H.264+, H.264 • DWDR, 3D DNR • IP66 • 12 VDC and PoE (802.3af) 【3K 5MP Super HD】 Delivering 3072x1728@20fps 3K HD image quality, the 16:9 ratio effect fits monitors in the market better than the traditional 4:3 does. 【High Efficiency Coding】 H.265+ outshines H.264 in minimizing bandwidth and saving more space for a longer recording time. 【Instant 2-Way Audio】 Stereo audio enables the listen-and-talk while reducing ambient noise, making conversation smooth and natural. 【256G Max MicroSD Storage】 With a built-in micro SD/SDHC/SDXC card slot, up to256G storage space is accessible. 【Motion Zone Customization】 Customize the specific zones to get app pushes only when motion events happen in the preset areas. 【Convenient Multi-Devices Supported】