According to most reviewers, these cameras work best when covering smaller areas.
Brad's Deals Editor Michael,
This 1080p Wire-Free Camera System with 4 Outdoor Cameras drops from $599.99 to $299.99 to $254.99 when you apply the code SAVE15 in your cart at Lorex. Shipping is free. This is the best price we found for this set by $75. The four included 1080p cameras are weatherproof and have a 40' night-vision range. The DVR uses SD cards to store videos and comes with a 16GB card. You can upgrade it to use a 128GB card. You can also access live feeds from cameras at any time by using the FLIR app. Sales tax is not charged in most states.