Some homeowners used a simple one-camera system. Multiple-camera systems are also possible with the proper accessories. Hard-wired security camera systems involve more labor because of the need to run cable. Wireless technology has made it possible to more quickly set up security cameras and related accessories on the interior and the exterior of homes or businesses. Handsfree call and talk function. Transmission distance in open terrain is up to 200 meters. Outdoor camera unit incorporates a wide-angle lens with clear night vision. Wireless control to open the lock. 3.5 inch digital display screen and monitor.
Other Thoughts:Finally, I've found a Monitor that works without having to worry about it. The picture is clear on this monitor, it has a longer range than any of the others, and it never cuts in and out of range.