When every second counts, a smoke alarm interconnect system from Zippy Electrical Suppliers can make all the difference. These interconnected alarms are designed to activate all units simultaneously when smoke is detected in any one room. This ensures every occupant hears the alarm, even if the danger starts on another floor. It’s the ideal solution for larger homes and buildings wher... https://zippyelectricalsuppliers.com.au/product/240v-photoelectric-smoke-alarm-9v-back-up-battery-emerald-planet-vulcan/