fire alarm bell / Electric bell (1) AC12V, 24V,110V, 220V, 380V,DC12V,24V, 48V (2) Size: 2inch -12inch ring bell, electric bell ,ring alarmDescriptionModel No.PCS IN CTNG.W MeasurementBase MaterialFL-4B(100mm) 4''50PCS22KGS 65X26X34.5cmPlasticFL-6B(150mm) 6''20PCS22KGS 37X34X34.5cmAluminumFL-8B(200mm) 8''10PCS15KGS 43X22.5X44.5cmAluminumFL-10B(250mm)10''10PCS16KGS 53X28X35cmAluminum electric bell ...