- High visibility indicator: The DL1CF220 neon bulb provides clear status illumination for XB4 series button indicators, improving user recognition and interaction. - Designed for XB4 series: Specifically engineered as a Button Indicator Light accessory for the XB4 series, delivering a distinctive neon light effect that enhances the panel’s appearance. - Reliable and durable: Delivers stable, long lasting operation with consistent lighting and a low risk of malfunction. - Easy installation: Quick to install as an XB4 accessory; integrates into existing panels with minimal effort. - Essential component: A core part of the Button Indicator Light Accessories for the XB4 series, improving both functionality and aesthetics of related products. - Use scenarios: - On control panels of manufacturing equipment to show button status at a glance. - In process automation panels for clear on/off indication. - As a replacement bulb in XB4 button assemblies to restore visibility and interaction.