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Shop with confidence! Our American customer service team is happy to assist with anything you might need, whether it is before, during, or after your purchase. We never charge for customer service calls, and we've always offered a two-year warranty on our controller units. We do everything in our power to ensure that your online transaction is simple, secure, and quick. If you have questions, please send us an email at, or call us toll-free at 520-219-2550 during office hours. Our customer service team will return your email or phone call within 24 hours. And remember, our systems are made in the USA!