Heavy-Duty Electric Alarm Bell / School Bell

• Heavy-duty electric alarm bell, suitable for schools or industrial use. • Features a large, dark grey/black textured dome gong and a rectangular black junction/motor housing. • Striker mechanism with a thin metal arm and cylindrical striker positioned near the gong rim. • Housing includes screw tabs for secure installation. • Red decorative label displays Chinese characters and technical specifications: SHF 220V, 300 MM. • Brand new condition, ready for immediate deployment. • Provides a loud, clear alarm signal for safety or timing.