3-pack of indicator lights with buzzer, 230 V AC, 22 mm recessed flashing alarm for electrical control cabinets, HVAC systems, DIY projects--BIEMMEDUE

LED flashing lights with buzzer, 230 V AC. Standard industrial mounting diameter: 22 mm (7/8"). High luminosity and loud buzzer for easy visibility. Includes locking nut (suitable for panel thicknesses up to 6 mm). The screw terminal connection ensures a secure contact and reliable operation. Tested for over 30,000 operating hours – for consistent performance. Widely used in machine tools, machinery, control cabinets, power distribution cabinets, electrical control cabinets (e.g., for HVAC systems), and DIY projects (e.g., PLC training projects).