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/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/sec Accuracy: +/- 4%+10 Unit Selection: Lux / Fc Temperature change:0.1%/ Measure Selection: Auto/Manual Repeatability: +/- 2% Operation condition: 0~50 80%RH non-condensing Storage conditions: -10-50 70%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.