EMASTIFF 433MHZ High Sensitivity Smoke Detector Wireless Photoelectric Fire Alarm Sensor Monitor For Home Security

Description 1 The smoke sensor alarm realizes fire prevention by monitoring the concentration of smoke When the concentration of smoke exceeds the limit the smoke sensor generates an audible and visual alarm and outputs an alarm signal 2 Smoke sensing is widely used in many fields such as urban security communities factories companies schools homes villas warehouses resources petroleum chemical gas transmission and distribution Sensitive to smoke so many fires are prevented Technical Parameters Working voltage 9V carbon battery or alkaline battery Battery Not Included Quiescent current ≤10uAAlarm current ≤35mASmoke sensitivity twoAlarm sound 80dBTransmitting frequency 433MHz optional 315MHZ please contact for confirmation Launch distance ≥100m open distance Working temperature 10℃ 50℃Working humidity 10 90 RHBattery life at least 1 yearPackage Includes 1 Smoke Detector