What is some good surveillance equipment to purchase?

Surveillance equipment is a good idea to invest in. It is especially useful when you have a small business or valuables on your property. I would suggest getting exterior cameras and possibly interior ones as well. Many surveillance systems these days enable you to keep an eye on your home/business from your smartphone. Going on Ebay or Amazon, you could find these for cheaper than if you were to go through a manufacturer or retailer specifically geared toward security equipment.