Mulcolor via Amazon offers its Mulcolor 30-LED Solar Motion Sensor Light 2-Pack for $19.99. Coupon code "3RGWSG5D" cuts it to $13.99. With free shipping, that's $2 under our mention from a month ago and the lowest price we could find for this quantity by $16. Each weatherproof light features a 3.6" × 4.9" solar panel, 720-lumen output, 120° PIR motion sensor with a 10-foot range, and solar-charged 1,200mAh Li-ion battery. Deal ends October 27.