PIR Smoke Alarm Sensor HC – 81

Smoke Alarm Sensor, HC-81 is a very high quality Sensor which is generally more effective at detecting smoldering fires which has smoldered for hours before bursting into flames, Sources of these fires may include cigarettes burning in couches or bedding.

Power Source: 9V/DC

Static Consumption: < 8 µA

Working Consumption: < 10 mA

Alarm Sound: < 85 dB (3 m)

Low Voltage Alarm: 6.2–6.8 V

Low Battery Alert: 7–15 days