Features High-Accuracy Measurement Tool: This VU meter header delivers precise readings, ensuring optimal performance for your audio equipment and enhancing sound quality User-Friendly Pointer Dial: The intuitive design allows for easy interpretation of measurements, making it an essential tool for both beginners and professionals Durable Construction: Made from high-quality, wear-resistant materials, this DB amplifier header is built to withstand regular use, ensuring longevity and reliability Nighttime Visibility: Featuring a bright orange 12V 55mA bulb, this device provides clear visibility in low-light conditions, enabling accurate monitoring at any time Versatile Application: Ideal for DIY projects, recording studios, and car audio transformations, this testing tool adapts to various setups, making it a must-have for audio enthusiasts Features: 1、A better learning instrument, this instrument can make students understand the three primary colors more intuitively. 2、The teaching is more vivid and can be adjusted in three light colors, which is more intuitive. 3、The design is more convenient to use and convenient for teachers in classroom experiment teaching. 4、Rugged and , made of ABS material, long service life. 5、It is a good physical instrument suitable for the experiment of light synthesis of three primary colors. Specification: Item Type: Light Color Synthesis Material: ABS Model: 25013 Uses: Used in optical physics experiments Experimental Power Supply: DC6V (power supply is not included) Working Current: 0.3A Package List: 1 x Light Color Synthesis Note: betweendiv>1. In order to have a better experiment effect, please reduce the brightness of the surrounding environment light. It is best to experiment in a darker environment.between/div>betweendiv>2. The instrument should be kept in a dry, ventilated, cool, and non‑corrosive place.between/div>betweendiv>3. The instrument should not be subjected to heavy pressure and should not be dropped to avoid damage.between/div> Package List 1 x Light Color Synthesis