This is Dahua with Original English Version, the firmware can be Upgradable. The camera not include Power adapter as default. > 8MP, 1/2.7 CMOS image sensor, low illuminance, high image definition. 265 codec, high compression rate, ultra-low bit rate. > Built-in IR LED, max IR distance: 40 m. > ROI, SMART H. 265, flexible coding, ...