"Rest easy knowing your camp is protected from unwanted visitors with this lightweight UDAP Electric Bear Fence. It protects you and your equipment from bears by providing an electric charge when touched. That zap on the nose will convince a bear that there are other things it would rather be doing than investigating your campsite. The fence encloses a 27'L x 27'W area. It's easy to carry at just 3.7 lbs. and fits into a 5"" x 20"" storage bag. Runs continuously for approximately five weeks on 2 D batteries. Three convenient gate hooks are included for easy access. Easy setup and operation. 32-page bear-safety booklet also included. Protects you and your equipment Encloses a 27'L x 27'W area Runs continuously for approximately five weeks on 2 D batteries"