This compact flexible light Lux meter measuring range up to 200,000 Lux with highly accurate, can be used indoor and outdoor for photography, plants, office, home, factory, etc. Specifications: Model: TA630A, TA630B (Optional) Measurement Method: Integral type, split type (Optional) Material: ABS Range: 0.1~200000Lux/0.01~20000Fc Measuring Level: 200/2000/20000/200000Lux                             20/200/2000/20000Fc Accuracy: ±(4%'10dgts)                  (calibrated under the standard incandescent lamp at color temperature 2856°K) Resolution: LUX:＜200 : 0.1; LUX ≥200 : 1                    FC: ＜20 : 0.01; 20 ≤ FC＜200 : 0.1; FC ≥200 : 1 Display: 4 digits, max 1999 Light Sensor: Digital sensor with filter lens Sampling Rate: Approx. 2 times/s Incident Angle: 120° Repeated Test Deviation: ±2% Spectral Range: 400-700nm Working Environment: -10~50℃, max 80%RH, indoor altitude ＜2000m Storage Environment: -10~50℃, max 70%RH (battery removed) Length: TA630B: Approx. 1m Screen Size: 34x31mm Power: 2 x 1.5V AAA (R03/LR03) (Not included) Item Size: 167 * 59 * 34mm / 6.57 * 2.32 * 1.34in Item Weight: 125g / 4.41oz Package Weight: 175g / 6.17oz Package Size: 20 * 7.3 * 3.7cm / 7.87 * 2.87 * 1.46in Package List: 1 * Digital Lux Meter 1 * User Manual (English)