This mini light meter is very stable, safe and reliable for measuring light intensity. Indispensable for those of you who work in offices, laboratories or light-related industries. Measuring range 0-200,000 lux. Automatic or manual range shift. Selectable units of measurement: Lux or FC. High measurement accuracy. Record measurement results. There is a battery indicator. Specifications: Sampling rate: 1.5 times or sec Accuracy: 4 percent and10 Unit Selection: Lux or Fc Temperature change:0.1 percent or Measure Selection: Auto or Manual Repeatability: 2 percent Operation condition: 0-50 80 percent RH non-condensing Storage conditions: -10-50 70 percent RH non-condensing colour: black Material: plastic Size: 16.2x4.7cm Package Contents: 1 x Lux Meter 3 x Battery A3 Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.