Standalone Smoke Alarm Household Fire Smoke Detector, English, Russian

1. High-decibel alarm signal, emitting an alarm sound exceeding 85 decibels within a 3-meter range
2. Intelligent processing chip, with fast operation speed and low power consumption. It has sensitive sensing, stable operation, and high detection accuracy
3. Circular large air intake window design, achieving 360° all-round monitoring, capable of sensitively capturing the initial smoke of a fire. When the smoke concentration reaches the alarm threshold, the alarm is triggered immediately
4. Battery-powered independent power supply, no wiring required, easy installation
5. Used for real-time monitoring of environmental smoke concentration, early detection of fire hazards, timely triggering of sound and light alarms, preventing fire accidents, suitable for fire warning in various indoor environments

Parameters
1. Alarm method: sound and light synchronous alarm
2. Power supply method: powered by 2 x AA batteries (batteries not included in shipment)
3. Static current: less than or equal to 15 microamps
4. Operating temperature: -10℃ - +50℃
5. Operating relative humidity: less than or equal to 95% RH (40℃ ± 2℃)
6. Detection coverage area: within a layer height of 3 meters, effectively monitoring a 40 cubic meter space