If you are a business owner or a company holder you can easily supervise your workers by installing spy cameras on board.
Most of the spy cameras have a smartphone app that you can easily access when you are at any place.
You can share the login credentials with your co-managers or someone you can trust.
Always look for a spy camera system with SD slot; this is because you might want to capture and store large videos but space in the internal storage can hold the content.
The resolution of the spy camera determines the quality of the video footage.
Compare the cost of different spy camera models by checking their price tags.