ClipMate w/Green LED. The ClipMate allows gardeners to inspect their indoor garden without spoiling untold amounts of time spent on photocycle reprogramming efforts. Even small amounts of light during night cycles can throw off a plants photoperiod, but the ClipMate green LED emits light that plants can not see. LED has a 100,000-hour life, and can operate for up to 40 hours on the included AAA alkaline batteries. Clip-on light also includes elastic headband and lanyard.