PathLights Wireless LED Stair Lights Set of 3

PathLights Wireless LED Stair Lights Set of 3. The PathLights Automatic Lighting System lights the path in front of you at night, helps keep you from tripping in the dark. When you pass by amotion-sensing light, itautomatically turns on the other lights, illuminating your path ahead. Since the system operates on radio frequency, the units do not need to be in line of sight. When you get within 6 feet of the first unit, it triggers the next lighteven from 18 feet away. Easy, do-it-yourself installationtakes less than 5 minutes Unique, patent-pending wireless systemlets light units communicate from up to 18 apart Low light levelwill not interfere with sleep cycles Automatic shut-off after 1 minute, resetting automatically Long battery life up to 16 months, depending on use Expandableadd additional slave "B" units (sold separately) for larger areas Use in staircases, hallways, attics, basements, garages, RVs, boats Power source: 3 AA batteries per unit (9 total), not included Dimensions (individual unit): 4"Dia. x 1.5"H Weight: approx. 3 oz.