This is an authentic Baiyun Intelligent Electronic Equipment Co., Ltd. SHF-12 inch (300mm) electric bell, designed for reliable and loud signaling in various environments. It is a robust and durable solution for industrial, commercial, school, or fire safety alarm systems. Key Features: Brand: Baiyun Model: SHF-12寸 (SHF-12 inch / 300mm) Type: Electric Bell / Buzzer Ideal for fire safety (消防), schools, factories, and general alarm systems Sound: High decibel (DB) alarm for effective notification Durability: Built to last in demanding environments Why Choose This Product: Compared to some other brands, this Baiyun model offers great value for money and reliable performance. Its traditional design is simple yet effective for ensuring safety and operational efficiency in any facility requiring an automated or manual bell system