Good Life Bird & Wildlife Propane Cannon Effective bird and wildlife control using safe and clean Propane Cannon blasts. No chemicals, poisons or traps! Comes with adjustable gas regulator to set blasts from 1 to 20 minutes apart. Very cost efficient: A standard 5 gallon propane tank (20lbs) will last over 17,800 blasts. Built with stability and easy set up in mind. Sets up in less than 10 minutes and will operate unattended. Blast volume of up to 125 decibels. Covers 1-5 acres of land, depending on topography.