




| Operating Voltage | 2* AA or 3VDC battery |
| Operating current | monitoring status≤10uA, alarm status≤20mA |
| Maximum Alarm Current (LED on): | ≤100mA@3VDC |
| Operating Humidity Range: | ≤95%RH(40°C±2°C) |
| Operating Temperature Range: | -10°C to 50°C (14°F to 122°F) |
| Smoke Alarm Sensitivity: | 0.18-0.26dBM |
| Alarm level: | ≥85db /3m |