Lurico via Amazon offers the Lurico 20-LED Solar Sensor Wall Light for $17.99. Coupon code "KSNM5NQ8" cuts it to $11. Plus, Prime members receive free shipping. That's $13 off and the lowest price we could find. It features a 120° sensing angle. Deal ends August 30.

Update: It's now $8.99 with no coupon required.