2-inch 4 MP DarkFighter IP IR technology mobile dome. High quality images with 4MP resolution. Clear images against strong backlight thanks to DWDR technology. 3D DNR technology offers clean and sharp images. Hik-Connect app and cloud service for remote management and device viewing. Built-in microphones for real-time audio security. Built-in memory card slot, supports microSD/SDHC/SDXC card, up to 256GB. Waterproof and dustproof IP66. Dimensions 205 x 167 x 289mm