These lights each have a built-in daily timer. The controls are on the bulb itself and allow you to set the timing.

The winters here are a bit colder than average this year. I needed to bring my potted plants inside the garage because if i left them outside, they would die. Must be placed close to plant; 6 inches for plants needing strong light (tomatoes, cucumbers...  Read More

The timer function is great. A lot of plant lights with integrated timers require you to turn it back on and reset the timer manually afterpower loss.

These bulbs are terrific. This is my first time purchasing a bulb.

Chrome is more reflective than black. They score very high on my ppfd meter and my lux meter. The aluminum wings are a bit flimsy though.

T8 full spectrum grow lights are great! Currently have them for cacti. Have some wonders for my seedlings. This picture is some romaine and butter crunch lettuce i started a couple weeks ago. Teach them green beans, malabar spinach, and sweet potatoes...  Read More

Everything fits together well and the arrived very quickly. For storage on top of the shelf, get apple boxes from your local grocery store for free. We collectively waste thousands of hours of time that could be spent growing plants that make the worl...  Read More

The lights are connected to a timer to have them on 16 hours a day and off for 8. Each power cord also has an on/off switch if you want to use them without a timer. I run two different timers so all the lights are on for 8 hours but overlap for a port...  Read More

These lights work well for a shop or garage but they don't give off sufficient light to grow plants. My light meter needs to be 2” under the grow light to get a reading thats comparable to full sunlight. Poorly packaged. No instructions or paperwork.