Hikvision DS 2CD2420FD IW

Up to 2 megapixel (1920 @ 30 fps) resolution
Standard video compression with high compression ratio
Progressive scan CMOS
Built-in Micro SD/SDHC/SDXC card slot, up to 64 GB
IR range approx. 10 meters
Two-way audio
Built-in microphone and speaker
Support Wi-Fi, support WPS configuration with one touch
Support PIR(Passive Infrared Detection)
IR cut filter with auto switch
3D digital Noise Reduction
Support dual stream, and the sub-stream for mobile surveillance
Integrated mount for easy installation
Support Backlight Compensation, Digital Wide Dynamic Range, Auto- electronic shutter and so on
Other functions: heartbeat, mirror, reset button, etc.