Smart Fire Alarm Sensor Wireless by cc May 18, 2022 0 Type No: E Size: 105*105*51mm Voltage: DC3V Alarm: sound-light Sensor: infrared photoelectric sensor Applicable area: 50m² Sensor time: 3 seconds ...
Precautions of Smoke Sensor Detector by cc May 15, 2022 0 Smoke detector hanging from ceiling adopts a LED light to monitor smoke, responsive to smoldering fire and slow-burning. According to ...