Fire alarm bell Hong-Chang Berkualitas

Fire alarm bell Hong-Chang Model No HC-4006 Adopted voltage DC-6V Adopted current 250mA Volume at 1meter 75db Driving way Coil Size and weight 122mm X 50mm 430g Model No HC-4012 Adopted voltage DC-12V Adopted current 180mA Volume at 1meter 75db Driving way Coil Size and weight 122mm X 50mm 430g Model No HC-4024 Adopted voltage DC-24V Adopted current 100mA Volume at 1meter 75db Driving way Coil Size and weight 122mm X 50mm 430g Model No HC-4120 Adopted voltage AC-120V Adopted current 25mA Volume at 1meter 75db Driving way Coil Size and weight 122mm X 50mm 430g Model No HC-4220 Adopted voltage AC-220V Adopted current 20mA Volume at 1meter 75db Driving way Coil Size and weight 122mm X 50mm 430g Model No HC-4012B Adopted voltage DC-12V Adopted current 35mA Volume at 1meter 75db Driving way Motor Size and weight 360g Model No HC-4024B Adopted voltage DC-24V Adopted current 20mA Volume at 1meter 75db Driving way Motor Size and weight 360g audio player
alarm kebakaran