Electric bell alerm bell Fire alarm bell
Electric bell alerm bell Fire alarm bell 1CE certificate 2Voltage can be customized 3professional in this filed 10years
Electric bell alerm bell Fire alarm bell
Electric bell Features:1) Alarm of easy combustion causticity air or conductive dust 2) The surrounding temperature does not exceed 40°C3) Bear to press: 1,500V, 50 times/a minute4) Electric resistance: shouldn't be small than 10Ω5) Settle the electric voltage ±10% 6) Switch every 5 minutes7) Work time: not longer than 5 minutes8) Uninstall the bell cover to move absolutely
Electric bell alerm bell Fire alarm bell
