2 in 1 LED Digital Co/Smoke Alarm Carbon Monoxide Detector Voice Warn Sensor Home Security Protection High Sensitive

Smart home platform : Alexa,Tuya,Google AssistantModel Number : 909comType : Carbon Monoxide DetectorsCertification : CEACJ 2 in 1 LED Digital Co Gas Smoke Alarm Carbon Monoxide Detector Voice Warn Sensor Home Security Protection High SensitiveFeaturesSN-JY909COM household smoke and carbon monoxide detector is the latest product independently developed by our company, which adopts high-quality electrochemical sensor, combines advanced electronic technology and sophisticated technology, and integrates advanced science and technology.This product has the advantages, such as stable operation and long service life, etc. It is a kind of high sensitivity concentration detection equipment for real-time detection of smoke and carbon monoxide leakage, and it is a necessary product for family safety precautions.The detector adopts the acousto-optic alarm mode, and sends out acousto-optic prompts when alarming to remind you to take effective measures to avoid the occurrence of fire, explosion, poisoning and other malignant events, so as to protect your life and property safety.Specification1 Size: 37 * 107mm2 Operational power supply: DC4.5V three AA batteries.(NO battery)3 Applicable gases: smoke and carbon monoxide4 Sampling method: natural diffusion5 Sensors: semiconductor sensor and electrochemical sensor6 Alarm setting value: smoke is 0.3db/MCarbon monoxide gas alarm values:There is not alarm when the concentration is less than 50 PPM.There is a alarm within 60-90 minutes when the concentration is 50 PPM to 99 PPM.There is a alarm within 10-40 minutes when the concentration is 100 PPM to 299 PPM.There is a alarm within 3 minutes when the concentration is more than or equal to 300 PPM.7 Environmental conditions: the indoor temperature is from - 10 ℃ to 55 ℃,and the relative humidity is less than or equal to 95% RH8 Response time: less than 30 seconds9 Recovery time: less than 30 seconds10 Alarm mode: acousto-optic alarm11 Alarm volume: more than or equal to 70dB (1 meter right ahead)12 Service life: 3 years13 Standby current: less than 105uA14 The green light flashes once every 15 seconds