🔔 Ring in the change with the ultimate sound solution! Easily connect to an electronic timer for automated ringing. Operates on standard 220V, making it easy to integrate into any setup. Set the ringing duration to your preference, lasting up to 5 seconds. Perfect for schools, factories, and more—wherever you need to command attention. Experience the power of a 9-inch gong bell that resonates across large spaces. 220V electric power 9-inch loud gong 4-5 sec duration The Swaggers School Timer Gong Bell is a powerful 9-inch metal bell designed for loud, long-range sound, ideal for large spaces like schools and factories. It operates on standard 220V electricity and can be connected to an electronic timer, allowing for customizable ringing durations of up to 5 seconds.