Sunvalleytek via Amazon offers the TaoTronics Motion Sensor LED Night Light 3-Pack
, model no. TT-NL001, for $24.99. Coupon code "NOA5UDQI" cuts it to $19.99
. Plus, Prime members receive free shipping
. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping adds $5.70.) That's $50 off list and the best price we could find. These feature 180 degrees of motion detection, with up to a 16-foot range; each light requires four AA batteries (not included).