Jump Start T5 Strip Fixture with Lamp and TimerWhen 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. The built in timer allows you to easily set a 12 hours on 12 hours off schedule or an 18 hours on 6 hours off schedule with a single button press. Ideal for seedlings, cuttings, flowers and house plants Grow seedlings faster with 15 20% more lumens Simple toggle clamp for easy lamp