[Hikvision OEM Product] Unbranded, Non-logo. Manufacturer by Hikvision factory but comes with OEM model number. 100% Compatible with any Hikvision or Hikvision compatible system. English version Hikvision OEM upgradable firmware. 3 year warranty and life-time tech support will be covered by J B2B Solution in Los Angeles, CA,6 megapixel (3072 x 2048) resolution 1/2.8” CMOS Sensor (2.8mm lens) with True WDR and 3D DNR, Microphone and Speaker Built-In for 2-Way Audio,PIR (Passive IR) for Motion Detection; IR (up to 45ft) for Night Vision,WiFi 802.11b/g/n 2.4Ghz Support, SD/SDHC/SDXC card slot up to 128GB (not included),*3 Year Warranty and Life-time Tech Support, Support FREE Remote Viewing via Smartphone app