Walmart offers the Fulcrum Light-It Wireless Motion Activated 6-LED Porch Light in Silver, model no. 20031-301, for $18.12. (Amazon charges the same with free shipping for Prime members.) Opt for in-store pickup to dodge to the $5.97 shipping charge. That's the lowest price we could find by $2. It features six glare-free LEDs, 25-foot motion detection range, and 30-second auto shutoff.