Experience precise and dependable light measurement with our Practical Lux Meter. Designed for stability, safety, and reliability, it also provides ambient temperature readings. Versatile for both science and industry, this device is perfect for homes, offices, schools, road light construction, laboratories, and beyond. Features: Compact and portable lux meter for stable and secure measurements. Wide measurement range from 1 to 200,000 lux with automatic/manual adjustment. Switchable measurement units: Lux or FC. Features MAX/MIN/Data Hold functions for precision. Easy-to-read LCD display with backlight for low-light conditions. Auto power-off with low battery indicator to conserve energy. Lightweight design for convenient handling. Specifications: Brand Name: SMART SENSOR Color: Black Material: ABS Display: LCD Display Measuring Range: 1-200,000 Lux Resolution: 1 Lux Accuracy: 10,000 Lux: ±5%rdg ±10 Temperature Range: -10~50℃ / 14~122℉ Refresh Rate: 2 times/sec Repeatability: ±2% Operating Temperature & Humidity: 0-40℃ (≤80%RH non-condensing) Storage Temperature & Humidity: -10-50℃ (0-90%RH) Power Supply: 3 x 1.5V AAA Batteries (Not Included) Item Weight: 95g / 0.21lb Item Size: 17 x 5 x 2.8 cm / 6.69 x 1.97 x 1.1 in Package Weight: 169g / 1.37lb Package Size: 19.5 x 7.5 x 3.5 cm / 7.68 x 2.95 x 1.38 in Note: Avoid storing in environments with high temperature, humidity, or high concentrations of salt or sulfur. Remove the batteries if the device is not in use for a prolonged period to prevent leakage. Allow for a 1-3 cm difference due to manual measurement. Package List: 1 x Digital Lux Meter 1 x String 1 x User Manual (English)