Truly a GAME CHANGER that will ensure your preferred scent is consistently dispersed throughout your hunt and SAVE YOU MONEY from buying multiple bottles over a season! SERIOUSLY, we feel once you try this, you can't go back to the 'scent on a wick'. Give it a chance and let us know what you think! The MAC DADDY diffuses scent into the air automatically while you prepare yourself to control your 'BONEHEAD Fever'. There are 3 different settings for you to choose from and when not misting, it will continue to give off scent in a localized area. NO BATTERIES needed, includes a built-in RECHARGEABLE battery. The MAC DADDY disperses scent into the air automatically traveling long distances while also allowing continual scent distribution in the immediate area. 3 disbursement settings to choose from: Low - 4 Second burst every 17 Minutes Medium - 5 Second burst every 12 Minutes High - 6 Second burst every 10 Minutes EVEN during between bursts, the cartridge will continue to provide a localized scent The BURST is a long range attractant then the continual scent draws them in closer to the scent location epicenter No Batteries Needed! Comes with an internal battery that is charged by USB cord A single charge will last days even on HIGH and continual use, longer in mild climates Portable, take the MAC DADDY anywhere EASY to use, simply twist base to remove cover, add cartridge, re-install cover, place in desired location, choose setting, and prepare for BUCK FEVER! When finished, twist base to remove cover, pull out the cartridge, and place cartridge in refrigerator or other dark/cool location Available cartridges include ESTRUS, Normal DOE, DOMINANT Buck This KIT INCLUDES the Doe in ESTRUS Cartridge of real Estrus urine