Specification:Material: ABSWeight: Approx. 310g/10.9ozModel: PM6612LMeasurement range: 0~200000Lux / 0~20000FCAccuracy: +3%Resolution: 0.01Lux/0.01FCDisplay: 2000 countsLight source adjustment function Various monochromatic visible lightAnalog Bar IndicationAuto RangeManual RangeAuto Power OffMAX/MIN FunctionRelative MeasurementFC/Lux Unit SelectionData HoldDisplay BacklightLow Battery indicationPower Supply: 1 * 9V 6F22 battery (NOT included)Color: Black & OrangeSize (L*W*H): 17*8.5*4.6cm/6.7*3.3*1.8inch The PM6612L multi-functional Illuminometer has a friendly human-machine interface and can be activated by a simple press of keys. The buzzer activates upon key press to notify that it is effective. With a compact design, it is a light meter with superior performance.The LCD is backlit to allow making and reading measurements in low light conditions.This light meter is able to measure the visible light produced by fluorescent lamp, metal-halide lamp, high voltage sodium lamp or electric incandescent lamp for a vivid and intuitive image display.