LORA smoke alarm is made of high quality components combined with advanced electronic technology and sophisticated technology. It has a microprocessor control which lead our detector high reliable. On-site sound and light alarm.Once the smoke concentration reaches the alarm setting value, the detector will issue an audible and visual alarm signal to remind you to take effective measures immediately. Also, it can link with other device to eliminate dangerous situations and effectively avoid the occurrence of vicious accidents such as fire, explosion and poisoning.