Amazon -Holan 12 LED Motion Sensor Solar Waterproof Wall Light $9.89 This post may contain affiliate links, please view our Disclosure Policy for more information. January 18, 2017 by Cathy Leave a Comment The Holan 12 LED Motion Sensor Solar Waterproof Wall Light activates when sensing motion at night. Get FREE shipping with Amazon Prime (sign up for a FREE 30 day trial here) or when you spend $49 or more. Prices at Amazon can change at any time. If interested, purchase this before the price jumps back up or it sells out.