15 View at Walmart Marketplace$349View at WalmartRecommended Retailer$399View at Google Store?This weatherproof camera has a tamper resistant design, a triple microphone array and HDR support for better quality videos than what other cameras produce. It can distinguish between people and animals, and can even recognize individual faces. However, a lot of the features are available only with a Nest Aware subscription, which starts at $10/month, or $100/year. Read our full Nest Cam IQ Outdoor review. 98 View at AmazonMany of today's IP based home security cameras can be installed, placed, and configured by homeowners without the need to hire a contractor. With Vivint home security cameras, the convenience of professional installation by Smart Home Pros is part of your smart home purchase. But once you have security cameras installed, you may want to make small adjustments sometime in the future, such as relocating cameras or adjusting angles. If you decide to do the work yourself, we suggest paying special attention to these four points:Camera height — Mount cameras well out of reach to prevent tampering. Signal strength — Make sure camera placement is within your WiFi range. Power supply routing — The closer to the power source, the better. Mounting — You want secure and weatherproof attachment.