Easy Install Standalone Smoke Alarm Fire Detector 9V Battery Powered Photoelectric Sensor High Decibel Alert Fire Safety Alarm Sensor For Home Bedroom Kitchen Office Hotel Security Protection

💖Welcome to our store💖🤞Battery included🤞⭐Smoke/Fire Sensor⭐Specifications:Material: flame retardant materialStatic current: ≤12uAAlarm current: ≤15mAOperating voltage: DC9VAlarm mode: sound and lightalarm Alarm indication: LED flashes redSound alarm: 85dB / 3 metersTemperature operating temperature: -10℃ ~ + 60℃Humidity range: ≤ 95% rh (40 ± 2 ℃ )🤞Reminder🤞Service and after-sales:1.If you receive product with damage ;2.If you receive product with missing part;3.If it doesn't work after you use it only for few daysSolution: Directly contact us ,we will resend you a new product or missing part with no charges ,you do not need to pay any fee