In general, there are 4 design types of LED Grow Light:
1. LED Grow Panel
2. LED Grow Tube
3. LED Grow Bar
4. LED Grow Bulb
Most recently there are also the larger LED Grow Light comes in Floodlight form with IP65 rating.
This is the product trend as most farms get larger and moving outdoor.
We use 2/3W LED to ensure powerful penetration for effective photosynthesis.