There is no electrical power source at the location. A single site is being monitored. A self-contained camera system is most efficient. No wiring is required. An investor in a new retail strip center wants to check construction progress and confirm the head contractor is on site daily. A family in Texas with a cabin in a remote part of Alaska wants to periodically check on the cabin and/or receive motion alerts. An oil company wants to monitor tank batteries for safety and security. A ranch manager needs to monitor water trough levels on a remote part of his property.