Light Meter, Accuracy: Plus/Minus 3 PCT (Calibrated to standard incandescent lamp at 2854DEG K) 6 PCT other visible light sources, Battery Type: 9 V NEDA 1604, IEC 6F22, JIS 006P, Display: 3-3/4 Digit Liquid Crystal Display With A Maximum Reading Of 1999, Measuring Range: 20, 200, 2000, 20000, 200000 For Lux, 20, 200, 2000, 20000 For Foot candles, Tester Type: Light Meter, (1) Candela Lamp Types, Resolution: 0.01 Fc/Lux, Minimum/Maximum Memory: Yes, Sensor: Silicon Photodiode, Read-Out: Data Hold To Freeze Reading On The Digital Display, Included: Protective Sensor Cap