The iHunt Remote Predator Decoy uses your smart phone to control the decoy and calls. The dual blast speaker system is loud, up to 110 dB of sound. The decoy features a lifelike moving tail, over 750 calls from over 59 species of animals, over 200 calls available for predator hunting available on the iHunt app, create an unlimited number of playlists of any duration, set delays, play multiple sounds simultaneously and adjust volume. Includes daily updated Solunar tables, current weather, compass and other great hunting tools.