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: 3-1/2 digits 18mm LCD Range: 0.1 to 200,000Lux/0.01 to 20,000FC Over-input: Indication of "1" Accuracy: ≤20,000Lux, ±(4%rdg+10digit) >20,000Lux, ±(5%rdg+10digit) Resolution: 0.1Lux Repeatability: ±2% Temperature Characteristic: ±1%/℃ Sampling Time: 2 times/second Photo Detector: One silicon photo diode with filter Size: 16 x 7.5 x 4cm / 6.3 x  3 x 1.6in (approx.) Weight: 529g / 18.7oz (approx.) Package list: 1 x Light Meter 1 x Manual1 x Screw 1 x Box Note:Product without battery