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General| Power Source | 120VAC |
|---|---|
| Battery Backup | 9V Battery |
| Sensor Type | Photoelectric |
| Alarm Sound Level | 85 dB at 10 feet |
| Interconnect | Yes |
| Dimensions | 2.0" depth |
| Compliance | UL 217 |
| Operating Temperature | 40°F to 100°F (4°C to 38°C) |
| Humidity Range | 10% to 90% relative humidity (RH) |
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