The new and improved Ozonics HR500 has taken hunting scent elimination to the next level. It is Bluetooth-enabled for complete hands free operation with the use of a smartphone device and downloadable app. The HR500 features a redesigned rubber overmold for extra quietness and Hyperboost mode for advanced ozone output. The unit includes an XL battery and Smart Arm mounting system. FOUR MODES OF OPERATIONMode 1 - StandardStandard mode is perfect for when you're waiting in a tree stand or blind for your opportunities. Your HR500 will run for up to 10 hours in standard mode. Mode 2 - BOOSTBoost mode is for times when you want more ozone production to overcome environmental conditions or to provide an added sense of security during peak animal activity. Your HR500 will run for up to 8 hours in boost mode. Mode 3 - HYPERBOOSTOur new Hyperboost mode produces 25% more ozone for times when you want to overcome environmental conditions or provide an added sense of security during peak animal activity. Your HR500 will run up to 6 hours in Hyperboost mode. Mode 4 - DRIWASHDriWash mode is specifically designed to be used with the DriWash Bag or O.N.E. Locker. DriWash modes is optimal for deodorizing apparel, gear and clothing without damage. THE SCIENCE IS CLEARFACT 1 - YOU HAVE A SCENTHuman beings have a unique scent. A molecular scent emitted through skin and breath. And that scent triggers an immediate alarm response in animals.FACT 2 - ANIMALS CAN SMELL YOUA deer's nose has 297 million olfactory receptors. A human's has just 5 million. So most animals can smell you up to 1/4 mile away.FACT 3 - OZONICS KILLS YOUR SCENTOzone reduces, alters and destroys human scent molecules it contacts, making your scent unrecognizable to deer and other commonly-hunted animals.FACT 4 - OZONICS = BETTER HUNTINGOzonics maximizes existing opportunity and creates opportunities that would've otherwise never existed. See more. Shoot more. Ozonics.