4Inch 100mm AC110V/220V Traditional External Attack Style Alarm Bell Call Ring high Decibel Alarm Bell(AC 110V (60 HZ))

Horns & SirensOperating voltage: AC 220V/AC 110V (±10%) The default frequency is the voltage frequency of the consumer's country (50hz or 60hz). Please be sure to check the voltage frequency in your country, the wrong frequency may cause the bell to not work properly!!Bell diameter: 75 mm (3 inch) Material: Stainless steel1.It is suitable for factories, schools, railways, indoor public places, etc. as sound signals and alarms.2. Made of stainless steel material, it has a better anti-rust effect and a longer service life.3. With a built-in double coil, it is and stable.4.The electric bell is of internal stroke type and generates no spark.5.There are three round holes on the cover plate to facilitate the installation of the bell on the wall.==========High-concerned chemical : NonePower : ACModel Number : EBLDoorbell Type : WiredType : DoorbellsVoltage : 220V<;3 minNumber of coils : 2Coil material : copper

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