hi do you need wifi to set up the camera? or can you use the hotspot on your phones?

Hello Valued Customer, thank you for the question. This does not use internet because it is a decoy camera. All you need is batteries. If you have any further questions or concerns, please feel free to give us a call between the hours of 7 AM – 8 PM Central Standard Time, Monday thru Friday at 1-800-654-8483, press option 4, and provide our Consumer Care Team with your personal ticket number 520030, so that we can resolve your issue promptly.