Feature: 1. Equipped with an LCD display, it can visually display the measurement results and is used to measure the brightness of the light source. 2. This instrument has automatic or manual shutdown function and low battery display function, which can save battery consumption. 3. Mini handheld illuminance meter is made of high-quality ABS material with good durability and stability. 4. Support data retention maximums and minimums, and the conversion of brightness units. 5. Professional photometric and brightness measuring instruments for light measurement engineering, quality control, and various ambient light. 6. It can be widely used for lighting measurement in factories, schools, offices, transportation routes, homes and other places. Specification: Condition: 100% Brand New Item Type: Light Meter Material: ABS Weight: Approx. 313g / 11oz Product Size: Approx. 19x6x3cm / 7.5x2.4x1.2in Range Lx:1000,10000,100000, FC:100,1000,10000 Acccuracy ±(3%+5lux)(at 2854°K incandescent lamps), ±(6%+5Lux) others Cosine angle deviation characteristics, 30°±2%, 60°±6%, 80°±25% Calibration Calibrated to a standard incandescent light at color temperature 2854°K Resolution Lx: < 1000:0.1Lx; ≥1000:1Lx , FC:<100:0.01FC; <1000:0.1FC; ≥1000:1FC Sensor Silicon photo-diode and spectrum response filter Operating Conditions Temperature: -10-50℃, Humidity: < 80%RH Altitude: <2000m Storage Conditions Temperature: -10-50℃, Humidity: <70%RH Sampling Rate Approx 2 times per second Spectrum Range 320-730nm Auto Power Off 10minutes Power 3x1.5V AAA Battery (Battery Not Included) . Package List: 1 x Light Meter (Battery Not Included)1 x English Manual1 x Storage Bag Note: 1.Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.