Electronic alarm operates on 110 VAC. Measures 1-11/16" Dia & produces a 2900Hz tone. Use as pre-alarm for burglar alarms, or in paging systems, smoke & fire detectors, metal detectors, etc. 8in wire leads. mounts in 1-1/8" hole
Dia: 1-11/16" H: 1-3/8" WT: .11
