... scale mark, safety area, filling(grey,white,Black,semi-transparent)Fractionated gain( Focus assist )partial ... 1 (point to point)Background selection modeBlue, black and white mode optionTechnical specificationMax. power consumption45WMax. ... specificationHousing materialNarrow edge anti-interference metal housingColorBlack or Silver(Standard match)InstallationBracket (included), base (optional ...