Features 【High quality and safety】 Our electric bell spark-free outdoor beater is manufactured under strict quality control and assurance, ensuring a high safety factor. You can use it with confidence because it's designed to provide reliable, safe performance. 【Durable and powerful】This stainless steel electric bell has a large and uniform copper wire coil, made of pure copper wire for enhanced durability and stable performance. The thick electric hammer and stainless steel hammer head provide greater power and better sound when striking the clock. 【Long service life】Our stainless steel school clock is built to last. With reinforced welding and securely fastened internal hex screws, they have a long service life and can withstand repeated use without affecting their functionality. 【Anti-rust design】The surface of the striking plate of our beat type electric bell is made of stainless steel, which has better anti-rust effect. This ensures that the bell maintains its appearance and functionality even in wet or outdoor environments. 【 Wide range of uses】Our alarm bell system is designed with 150mm AC220V size, suitable for various environments such as homes, schools, hotels, restaurants and kitchens. Its spark-free external beat type makes it safe to use in different environments while still providing excellent performance. Specification: Item Type: Electric BellMaterial: Stainless steel Rated Voltage: AC220V Current: 100 A Power Consumption: 20W Bell Bowl Diameter: Approx. 150mm / 5.9in Package List: 1 x Electric Bell Note: 1. The altitude does not exceed 2000 meters.2. The humidity of the surrounding medium is not higher than +40 degrees and not lower than ‑25 degrees, the relative temperature of the air is not more than 90% (the suitable temperature is +25 degrees)3. Use in an environment where there is no flammable and corrosive gas or conductive dust in the surrounding air, and there is no significant shaking and shock vibration.4. It can work normally when the rated voltage is 10%, the best time is 30‑40 seconds, and the time of a single ringing should not exceed one minute, otherwise it will burn out easily.5. The pollution level is 2 and the installation category is ‖. Package List 1 x Electric Bell