Smoke Alarm
Portable, compact, battery operated
![](../../assets/images/product/Yale-SD2.jpg)
Yale smoke alarm E-SD2
- Photoelectric sensing technology
- Battery Operated (9V battery included)
- Blinking power indicator
- Up to 85db sound level
- Stand alone unit
![](../../assets/images/product/i9040.jpg)
Fire Sentry i9040 Smoke Alarm
- Ionization SensingTechnology
- Battery Operated (9V battery included)
- Test Button - Tests horn and battery function
- Low Battery Indicator
- Discreet design 4 inch diameter
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