A wireless security camera that is easy to move around and messages you with a video if there is any movement in a room.
Blink and Blink App. Blink: the first ultra-affordable, totally wire-free smart HD home monitoring and alert system.
Smart Home Automation
Powered by the sun, GeckoEye security cam can be placed anywhere in your home or car.
When things go bump in the night, you want to see what they are, without opening the door. But security cameras come with vulnerabilities too. Picking a security system.
The Oco HD Camera Is Your $150 WiFi Security Camera ... see more at InventorSpot.com
High tech - always on the edge
KUNA is a smart Wi-Fi security camera and video intercom, built into an elegant outdoor light.
Motion-sensing camera made with Raspberry Pi. This would be perfect for my bird feeder.
Logitech Circle Wireless HD Security Camera w/ 2-way Talk for $149.99
20 Home Security and Crime Prevention Secrets for Preppers - Backdoor Survival
Emergency Preparedness & Homesteading
Turn your old phone into a home security camera you can watch from anywhere - CNET