1,This light meter has high accuracy and rapid response,and auto zeroing function. 2,It supports over-range indication, unit and sign display for easy reading. 3,Data hold and maximum data hold function,low power consumption, short rise and fall time. 4,The unit is switchable between Lux and FC, simply by pressing a button. 5,Widely used for light test of public stores, library, museum, lamp factory, photo shooting, stage disposition of light, etc. Features: This light meter has high accuracy and rapid response,and auto zeroing function. It supports over-range indication, unit and sign display for easy reading. Data hold and maximum data hold function,low power consumption, short rise and fall time. The unit is switchable between Lux and FC, simply by pressing a button. Widely used for light test of public stores, library, museum, lamp factory, photo shooting, stage disposition of light, etc. Specification: Model: LX1330B Display: 3-1 or 2 digits 18mm LCD Range: 0.1 to 200,000Lux or 0.01 to 20,000FC Over-input: Indication of "1" Accuracy: ≤20,000Lux, ±(4 percent rdgand10digit) >20,000Lux, ±(5 percent rdgand10digit) Resolution: 0.1Lux Repeatability: ±2 percent Temperature Characteristic: ±1 percent or ℃ Sampling Time: 2 times or second Photo Detector: One silicon photo diode with filter Size: 16 x 7.5 x 4cm or 6.3 x  3 x 1.6in (approx.) Weight: 529g or 18.7oz (approx.) Package list: 1 x Light Meter 1 x Manual1 x Screw 1 x Box Note:Product without battery Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.