ABUS RWM165 wireless smoke detector, with 10 year battery, 12 detectors can be networked, Q Label and DIN EN14604, 85 dB alarm, white

NETWORKABLE: 12 RWM165 smoke alarms can be networked with each other by radio - if one alarms (85 dB volume), all the other alarms in the radio group will also go off RADIO RANGE: a maximum distance of 100 metres is possible between the detectors due to the radio connection 10-YEAR BATTERY: permanently installed 3V lithium battery with a battery life of 10 years | low battery warning CERTIFIED: Smoke detector is Q-Label certified by VdS | Tested according to standard EN 14604 and VdS directive 3515, Weight: 0.4739938633 Pounds, Manufacturer: ABUS