Pfannenberg Sounder 122 dB 80 Tone 10 ... 60 VDC

Audible signalling device with 120 dBA and high proportion of deep tones. Sure penetration of acoustical obstacles like walls and doors. Electrical connection only necessary in the mounted base. Automatic contact of the electronics once both housing parts are put together. 80 different tones are selectable, remote-controllable. For indoor and outdoor applications. Worldwide approvals by default: UL, VdS, EN54-3.