Compact and lightweight design, making it easy to carry and use for on-the-go light testing High wavelength accuracy ranging from 380-780nm, ensuring precise measurements for various lighting applications Equipped with a built-in lithium battery and power cord for convenient power supply options CCT range from 1,000K to 100,000K, suitable for testing a wide variety of LED lights and other light sources Construction with an aluminium alloy body, designed for long-lasting performance in various environments