SH120 SeriesThis SELECT-A-STROBE/HORN, from Potter, utilizes a universal mounting plate so installers can mount it to a wide array of back boxes. Indoor/outdoor use and can operate in extreme temperatures (-40°F to 151°F). Other features include a continuous or sync temporal three in 2400 Hz and mechanical tone, a chime, and strobe. Wall mountable. 120 VAC. UL listed. Red.