This Head Light makes multi-tasking in the greenhouse easier than ever, as it requires no hands to hold! Featuring 19 green high-intensity LED bulbs (which will not disrupt plant growth cycles), 4 light settings ( 1 on, 7 on, all on, and all flashing), and a tilting light mount and adjustable head straps, this head light is sure to brighten any evening! Requires 3 AAA batteries, not included.