Smart photoelectric smoke detection tools with sound and Wi-Fi

Smart smoke detection device for fire protection and smoke sensor Wi-Fi for home security detection system works with Smart Life app Wi-Fi smoke detection tools with photoelectric smoke detectors with sound light alarm ceiling installation Smart Life special features remote control model number ZSS-QY-SA-A photoelectric smoke detectors operating voltage DC 3V application Smartlife Alexa voice assistant, Acho, Google Home etc. low alarm yes battery life > one year (20 times/day) sound alarm ≥85dB/3 M mounting position ceiling certification CE RoHS FCC packaging and delivery packaging details Seaworthy carton one package size: 15X15X5 cm total weight: 0.420 kg