Features 【PURPOSE】: A mini illuminance meter with stable, safe and reliable measurement, widely used in various visible light environments such as homes, laboratories, offices, schools, indoor agriculture, etc. The temperature sensor of the illuminance meter can accurately test the temperature of the current environment in real time . 【USE】: Ergonomic design, smooth line design, light meter is easy to hold, comfortable and natural, key operation, easy to switch various modes, with LCD high-definition large screen, backlight design is easy to read. 【FLEXIBLE】: Ultra-large measuring range, measuring range up to 20000LUX, wide measuring range, the measuring unit of the photometer can be switched Lux ​​or FC according to different needs, and the probe can be adjusted 180 degrees according to the measuring environment. 【ACCURACY】: Built-in high-sensitivity sensor, light meter responds quickly, sampling rate: 1.5 times/second, repeatability: ±2%, with maximum and minimum reading hold function, allowing you to capture light intensity more accurately. 【MAINTENANCE】: Lightweight and compact, the digital light meter is perfect for carrying around and storing, monitoring light intensity at any time, easily testing all natural and artificial light, made of high-quality ABS material, the meter is durable. Specification: Condition: 100% Brand New Model: AS803 Theory: Brightness Tester Measuring Range: 1~200.000lux Unit Selection: Lux/FC Measurement Selection: Automatic Resolution: 1lux 0.1℃ Data Retention Function/Backlight Display: Yes Maximum/Minimum Measurement/Automatic Shutdown: Yes Power: 3 * 1.5V AAA Battery (Not Included) Accuracy: ±5% rdg±10dgts Temperature Range: -10~50℃ / 14~122℉ Sampling Rate: 1.5 Times/Sec Measurement Repeatability: ±2% Working Temperature: 0-50℃ (≤ 80% Rh Without Condensation) Storage Temperature: -10-50℃ (≤ 70% Rh Without Condensation) Weight: Approx. 123g / 4.3oz Size: Approx. 16.3 * 4.7 * 2.5cm / 6.4 * 1.9 * 1.0in   Package List: 1 * LuxMeter 1 * Rope 1 * Cover   Note: The probe can only be rotated 180 degrees to the right Package List