Brennenstuhl RM L 3101 Smoke detector incl. 10-year battery battery-powered

Radio smoke detector in practical set of 4 with a wireless networking of up to 40 smoke detectors. In case of an alarm all the interconnected smoke detectors sound simultaneously (radio range up to 100m). Thanks to a fixed lithium battery, the network-able smoke detector set of 4 is ready for use for 10 years and thus provides for a constant functional safety - in case of fire it sends a 85dB loud alarm signal. Fire alarm tested according to DIN EN 14604 with visual display of function and test button for functional testing - Maximum safety in the entire house through radio-interlinked smoke detectors. Long-life fire detector set of 4 with optical and acoustic signal at low battery level, also including mute function in case of false alarm and "non-interference function" with low battery status. In the alarm state, the device that has triggered the alarm flashes, the device LED and the audible alarm sounds - the networked devices only give an audible alarm in the alarm state, so that the fire source can be...