About This 🌠【Light Meter with Bluetooth APP】Connect to your smartphone via Bluetooth for remote real-time monitoring and data tracking. Supports up to 30 groups of cyclic data logging with a one-button freeze function. Ideal for lighting analysis in stages, film production, laboratories, offices, factories, and gardens. 🌠【High-Precision Digital Illuminance Meter】This digital light meter has a measurement range of 1-400,000 LUX and a resolution of 0.1 Lux/FC. Measurement accuracy: ±4% of reading ±1.0% f.s. for ≤10,000 Lux; ±5% of reading ±1.5% f.s. for ≥10,000 Lux; ±8% of reading +2.0% f.s. for ≥200,000 Lux. Light measurement units LUX/FC are switchable. 🌠【270° Rotatable Light Sensor】The light lux meter features a 270° rotatable sensor, allowing flexible measurement from any angle. A high-definition backlit LCD ensures clear readings even in low light. Perfect for photography lighting setups, office assessments, and monitoring indoor plant growth. 🌠【3 Measurement Modes】The light intensity meter supports switchable Maximum, Minimum, and Real-Time measurement modes, adjustable to your needs. The digital illuminance meter can measure ambient temperature from -10℃ to 50℃, tracking real-time temperature in °C/°F, helping you monitor plant growth environments or office comfort zones. 🌠【Portable Design】The luxometer is calibrated to a standard 2556K incandescent lamp, ensuring accurate readings across various light sources. With its compact size (6.89 x 2.36 x 1.30 inches) and lightweight design of only 139 grams, it can be easily carried anywhere.