Ensure your Heath / Zenith security lighting only operates at night, for longer bulb life and lower electricity bills. When the photocell detects sunlight, it will shut the unit down. Then, after the sun sets, the photocell resumes normal operation of your lighting. You'll ensure your light don't turn on unnecessarily during the day. Measures 3" in diameter and 1.5" H.
- Review of 36738 Review by WILLIAM F
Review of 36738
Posted on 10/9/2011
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