Amazon's Big Spring Sale is offering a 43% discount on a four-pack of Aootek Solar Motion Sensor Lights.The lights are bright, with 120 LEDs, and can be set to different settings for motion activation and brightness.They have received over 34,000 five-star ratings, and are described as a game changer for home security.The lights are currently priced at $20, down from their normal price of $36.