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Wifi Smoke Detector Smart Fire Alarm Sensor Wireless Security System Smart Life Tuya App Control Smart Home For Home Kitchen/store/hotel/factory,model | Fruugo FR
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![File:Fire alarm button on corridor wall, Grand Hotel in Leirvik, Stord, Norway (trykknapp for brannalarm "BRANN FIRE, løft lokket, knus glasset, break glass, trykkher, press here, Cerberus") Photo 2018-03-09 b.jpg - Wikimedia File:Fire alarm button on corridor wall, Grand Hotel in Leirvik, Stord, Norway (trykknapp for brannalarm "BRANN FIRE, løft lokket, knus glasset, break glass, trykkher, press here, Cerberus") Photo 2018-03-09 b.jpg - Wikimedia](https://upload.wikimedia.org/wikipedia/commons/1/17/Fire_alarm_button_on_corridor_wall%2C_Grand_Hotel_in_Leirvik%2C_Stord%2C_Norway_%28trykknapp_for_brannalarm_%22BRANN_FIRE%2C_l%C3%B8ft_lokket%2C_knus_glasset%2C_break_glass%2C_trykkher%2C_press_here%2C_Cerberus%22%29_Photo_2018-03-09_b.jpg)