Q: How long does delivery take?
A: Usually it takes 3-7 working days.
Q: Can A19 be dimmed?
A: A19 is a grow light bulb that cannot be dimmed
Q: What is the difference between A19 and BR30?
A: Both A19 and BR30 are full-spectrum bulbs, but A19 is 4000K white light, and BR30 is only 3500K