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Are the SF series lights dimmable?

Is 240V Okay for SF series light? (US Customers)

Is the SF series lights good for both Veg and Bloom?

How long do I expect shipping?

Can I pay CAD/GBP/AUD/Euro/Other currency other than USD?

I cannot select shipping method when I place the order, what can I do?

I don't have paypal account. How can I use credit card or debit card to pay the order?

Why my tracking number is invalid?