Pyle PLMT68 Light Meter with Lux and Foot Candles with Bar Graph Measures Up to 400000 Lux Light Meter Measures In Lux and Foot Candles (User Selectable) Over-Range Indicator Auto Ranging Peak Hold, Max and Data Hold Relative Mode Long-Life Silicon Photo Diode Inside Measurement Rate: 1.5 Times per Second Max Range: 400,000 Lux Accuracy: +/- 5% Under 10000 Lux, +/- 10% Over 10000 Lux Max Resolution: 0.1 Lux/FC Accessories Included: 9V Battery, Carrying Case, Photo Detector Dimensions: 6.50'' H x 2.99'' W x 1.69'' D Weight: 14.22 oz. Sold as : Unit Light Meter Measures In Lux and Foot Candles (User Selectable) - Long-Life Silicon Photo Diode Inside - Accessories Included: 9V Battery, Carrying Case, Photo Detector Over-Range Indicator - Measurement Rate: 1.5 Times per Second - Dimensions: 6.50-Inch H x 2.99-Inch W x 1.69-Inch D Auto Ranging - Max Range: 400,000 Lux - Weight: 14.22-Ounce. Peak Hold, Max and Data Hold - Accuracy: +/- 5-Percent Under 10000 Lux, +/- 10-Percent Over 10000 Lux Relative Mode - Max Resolution: 0.1 Lux/FC