Receive 20% off the Otis OI-7530XP WireFree Relayer through May 31! Key feature: compact and portable unit with easily visible LED strobe light(s) and various optional sirens ranging from 100-150 db. Learn more at http://www.h2solutionsinc.com/otis-instruments.html
@OtisInstruments #GenII #Safety
@OtisInstruments #GenII #Safety