Gotta love solar-powered gadgets, I mean what’s not to love? This color PIR Camera & Receiver requires no electricity or wiring yet it transmits video and audio from up to 250 feet. The camera has a motion sensor that detects voices and images, and will know when to record as long as the sensor is triggered. It’s perfect for those times when you are on vacation, or just want to monitor activity outside your house. Price: $299 at Smarthome
Techie Diva's Guide to Gadgets 