VIVOSUN 19-bulb High Intensity LED Green Light Grow Room Headlight This hands-free headlamp for indoor horticulture emits a bright green light beam that doesn't affect your plants while you check up on them High-intensity LED light, adjustable between 3 levels of brightness, bright enough to safely make equipment adjustments in a pitch-black room Perfect for the professional or recreational indoor horticulturalist Super long bulb life: 100,000+ hours of burn time Uses three AAA batteries (not included)