The Bedlam D Loud Tone Caller is line powered and designed for installation in large offices or factory areas with high ambient noise levels. The Bedlam is waterproofed to IP66 and is capable of operating in adverse conditions. The bedlam loud tonecaller is designed to replace the traditional mains bell and is powered by the PABX or PSTN line voltage (60-100 volts AC). A variable audio output of 85 -105dBA is possible by means of a potentiometer located within the unit. |