Features: High Accuracy, Precise, Easy Readout and wide range | Exclusive photo diode & color, correction filter | Built-in low battery indicator | spectrum meet C. I. E. photopic | Sensor COS correction factor | Separate LIGHT SENSOR | LSI-circuit use provides high reliability and Durability | Measuring Ranges: 0 to 50,000 Lux / 0 to 5,000 Ft-candle, 3 ranges | Range/Resolution/Accuracy (Lux): 2,000 Lux/1 Lux/±(5% +2d); 20,000 Lux/10 Lux/±(5% +2d)/50,000 Lux/100 Lux ±(5% +2d) | Range/Resolution/Accuracy (Ft-Candle): 200 Ft-candle/0.1 Ft-candle/±(5% +2d); 2000 Ft-candle/1 Ft-candle/±(5% +2d); 5000 Ft-candle/10 Ft-candle/±(5% +2d) | Display Specifications: 13 mm ( 0.5" ) LCD | Measuring Parameters: Lux, Ft-candle, Data hold, Analog output | Zero adjustment: Internal adjustment | Over-input: Indication of " 1 " | Sampling time: Approx. 0.4 second | Sensor structure The exclusive photo diode & Color correction filter | Power Supply: DC 9V battery. 006P MN1604 ( PP3 ) or equivalent | Power Consumption: Approx. DC 2 mA | Analog Output: 0.1 mV/1 digit, Max. 200.0 mV | Dimension: Main Instrument: 163x70x30 mm(6.4x2.8x1.2 inch), Sensor probe: 82x55x7 mm (3.2x2.2x0.3 inch) | Supply Scope: 1Unit of Light Meter and Instruction Manual | Applications: Photography, Videography, Greenhouse, Labs, Stadiums, Clean rooms, theaters, school, college, offices and Factories.