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. Get a detailed list of steps.