Calls Predators, Snow Geese, Crows. All solid state, no moving parts. All sounds stored in permanent memory. Comes with twelve (12) digital mastered and MP3 formatted wildlife sounds for predator, crow & snow goose hunting. No sound cards, cassettes, speakers or wires to fuss with. Predator call sounds made by Randy Anderson. All crow and goose sounds by Team Primos 12 sounds to choose from. Base Unit: Water resistant, durable, sealed housing with neoprene gaskets 1.8 Lbs with batteries operates in temperatures to -4° F. Includes 4 "AA" batteries and extra battery pack. Battery life of 7 to 10 continuous hours. Remote control from over 100 yards (200 at Optimal Conditions) LCD display indicates battery strength,volume level, and call name. LCD display on base unit and remote unit are the same for ease-of-use LCD display on base unit and remote unit are backlit for use in the dark water resistant, durable, sealed housing.