All-in-One Light Testing – Accurately measures CCT (Correlated Color Temperature), CRI (Color Rendering Index), illuminance (Lux), and full visible spectrum from 380–780nm, for LED light evaluation. High Precision Optical Sensor – Equipped with a professional-CCD sensor, ensuring fast, reliable, and stable spectral measurements. Handheld & Portable Design – Compact, ergonomic body for one-handed operation. for field testing, laboratory use, or manufacturing quality control. USB Rechargeable & Data Export – Built-in lithium battery, supports USB charging and real-time data transfer to PC software for detailed analysis and report generation. Versatile for LED & Lighting Applications – Widely used in LED manufacturing, lighting design, photometric labs, and educational environments.