The Mantis 25 Paul Butski Signature Edition turkey call is preloaded with 25 calls recorded by the Maestro" who is a sixtime US Open Turkey Calling Champion. It has a 4way key pad call selectionvolume control backlit LED screen random repeat timed options and a sound activation trigger button. It has a versatile compact design with lockin pivoting legs and a hand lanyard. It is powered by four AAA batteries not included. Included is a hand lanyard."