Pyle PLMT56 Light Meter with Lux  Measures Up To 50000 Lux Light Meter Measures In Lux- Accuracy: +/- 5-Percent Under 10000 Lux, +/- 10-Percent Over 10000 Lux Over-Range Indicator - Max Resolution: 0.1 Lux Long-Life Silicon Photo Diode Inside - Dimensions: 7.40-Inch H x 2.52-Inch W x 0.96-Inch D Measurement Rate: 1.5 Times per Second - Accessories Included: 12V A23 Battery, Photo Detector Max Range: 50,000 Lux