Hikvision ‏DS-2CV2041G2-IDW

 High quality imaging with 4 MP resolution
 Realizing Wi-Fi connection and easy installation
 Provides real-time security via built-in two-way audio
 EXIR 2.0, advanced infrared technology with long IR distance
 Support on-board storage up to 512 GB (SD card slot)
 Water and dust resistant (IP66)