Amazon offers its Prime members the Mr. Beams Battery-Powered Motion-Sensing LED Nightlight 4-Pack, model no. MB724, for $38.99 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, it costs an extra $7.32.) That's $7 off list and the lowest total price we could find. They activate from up to 15 feet away. Each fixture requires four AA batteries (not included).