They need 5V DC at about 1000 to 2000 mA /edit from MA. I’ve had one cam running off the wall-wart hooked to a 100’ extension cord.
A quick check showed Sears selling 14/3 100ft long for about $21. There are other options such as running low voltage landscape lighting w/ transformers/converters and ethernet with POE and converters. But i have several 100’ extension cords.
For the outdoor camera you will need protection from the elements, look on the "Tips and Tricks section and you’ll find a lot of ideas.
including:
Which ran for about 2 months in the Mississippi summer before it “flew” north to Virginia.