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| Type | Optical |
|---|---|
| Sensor Type | Photoelectric |
| Alarm Volume | 85 dB |
| Test Button | Yes |
| LED Indicator | Yes |
| Sensor Life Time | 10 years |
| Colour | White |
| Weight | 150 g |
| Power Source | Battery |
| Operating Temperature | 0 to 40 °C |
| Battery Type | 9V Alkaline Battery |