Apogee Instruments SQ-520: Full-... vs Kullsinss Grow Lights for Indoor...

This grow light set is great for an indoor plant garden. It can be inserted into the pot with the plant, yet is large enough for more than one plant. If you're growing from seed you can use the right setting and it will work wonders! Most of indoor pl...  Read More

The rods are like tv antennae and screw into the light fixture. The (+) symbol is to change the brightness of the light. The timer is very user-friendly with three options 4h, 9h, and 12 h photoperiod. They have adjustable light modes and brightness.

The usb cords are 8ft long and they come with a brick. Just plug in to use. They also come with the power box, which is noticeably missing from some of the competitor products.

As someone who’s used a ton of various plant lights over the years, the flickering is usually the first indication that the light is on the way out. Brightness isn't bright at all.