
Unigreat provides a full range of services and enjoys an international reputation. According to the material, Unigreat's products are divided into several categories, and smart light switch is one of them. Unigreat Smart Bulb led light controller will go through a series of automatic tests. They include a polarity test, earth continuity test, insulation resistance test, and current leakage test. The product is energy keeping. Buyers of this product said using it didn't add much electricity bill cost monthly.

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