3Pcs Indicator Light with Buzzer AC 220V, 22mm Panel Mount Flashing Alarm for Electrical Control Panel, HVAC, DIY Projects (Red-Yellow-Green)

General description 3Pcs Indicator Light with Buzzer is designed for AC 220V applications, featuring a 22mm panel mount. This set includes red, yellow, and green lights that provide high brightness and a loud buzzer for easy recognition, making them ideal for various electrical control panels and DIY projects. Technical specifications Voltage: AC 220V Mounting diameter: 22mm (7/8") Panel lock nut suitable for panel thickness: 6mm Tested lifespan: over 30,000 hours Usage These indicator lights are widely used in machine tools, machinery equipment, control cabinets, power distribution cabinets, HVAC panels, and electrical panels. They are also suitable for DIY projects, including PLC training projects.