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Title: Poor design, not very good quality
Review: We purchased this item to replace a similar unit in which the timer had failed. What we recently discovered is that the timer does NOT control the power to the transformer. The timer controls the low voltage output to the lights; which may put less stress on the timer, but otherwise is unsatisfactory. The transformer hum is much louder than the previous unit. Our timer is located in the front hall closet which should prolong the life of the unit, but the transformer hums day and night, no matter whether the timer is on or off. This is not only irritating is also not efficient from an energy-saving perspective. We should have paid more for a better model.
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