- E10 Mini Screw Bulb Set: Includes 10 E10 screw cap miniature bulbs, designed for versatility with an input voltage of AC/DC 2.5V. Produces a warm white light at 2700K with a high color rendering index (CRI) of over 90, ensuring vibrant and accurate color representation. Compact design allows for easy storage. - Versatile Applications: The E10 2.5V ball lamp features a glass dome and a metal threaded base, making it ideal for a variety of uses. Perfect for flashlights, device indicators, instrument lighting, signal lights, warning lights, interior lighting, microscope lighting, and circuit experiments. - Simple Installation: Equipped with a standard E10 mini screw base, these bulbs can be easily installed by simply screwing them in. Enjoy immediate illumination without flickering. - Durability and Packaging: These miniature bulbs are built for longevity with low power consumption and strong shock resistance. The set comes in a convenient storage box, ensuring the bulbs remain organized and protected for easy access when needed. - Use Scenarios: Illuminate your microscope for detailed examinations, enhance the visibility of control panels and devices, or replace indicator bulbs in various equipment for reliable signaling.