Brookstone offers the iPatrol Riley Smart Home Patrol Robot for $199.99. Coupon code "SUMMER" cuts it to $149.99. With $7.99 for shipping, that's the lowest price we could find by $41. It sends images to your iOS or Android device and features a 5-megapixel camera, HD video, night vision, audio and motion detector, and two-way audio. Deal ends August 21.