Professional calls with the push of a button. 50 yard remote gets the sound where you need it. Clear, natural and loud calls without distortion. 6 pre-programmed Primos calls: Grunt, Challenge Wheeze, Roar, Bucks Sparring, Doe Bleat, and Estrus Bleat. Quick-adjustable LED indicated sound level. Compact 50 yard remote is easy to use and attaches to speaker housing for convenient storage. Rubber attachment strap allows for attachment to branches, stand, blind, backpack, etc.