Biteshield Mosquito Trap Guardian - Covers Upto One Acre Made of durable outdoor cotton-based, weather-resistant material; machine washable in cold water, looks great Easy assembly and push button to start ignition The mosquito trap is designed to operate 24 hours per day for a maximum control of mosquitoes Outdoor door wheels and lock down system for portability; different species of mosquitoes are more active at different time of the day Fits any standard 20 lb; propane tank(sold separately)