UL listed t5 4x24w electronic ballast fluorescent lamp :  

Features:

1.High lumen output,and low heat

2.Low profile 

3.Multiple hanging configuration 

4.On/Off switch

• • Ideal for seedlings, cuttings, flowers and house plants.
  • Grow seedlings faster with 15-20% more lumens
  • Simple toggle clamp for easy lamp height adjustment
  • Super easy assembly
  • Internal reflective finish directs more light to plants
  • 24" interior width

When germinating seeds, the fixture can be kept just inches away from the seeds (or humidity dome). After sprouting, keep the fixture 3-6" away from the plant canopy.

INCLUDES:

• T5 high output grow light fixture and bulb (24 watts or 54w)
• 6' grounded cord with on/off switch