SD-218 series photoelectric smoke detectors are designed in accordance with UL217 and EN14604 and manufactured under the best quality control. The SD-218 series alarm are adopted the reliability UL-certificated infrared components. The SD-218H series alarm also act as
A smoke sensor and/or a 135F heat detector at the same location.

1) Photoelectric sensing technology
2) Low-sensitivity warning
3) Low-battery warning
4) Battery case at the back of a detector for easy removal of a battery
5) SMD circuit board design-satisfactory quality and reliability guaranteed
6) Test button veri es battery and alarm operation
7) Sounding a loud alarm signal of exceeding 85dB in alarm mode
8) Ten-year limited warranty