The Mantis 50 is a pre-loaded game call featuring a LCD screen readout with a back light, durable rubberized grip and compact legs with lock into position. There is a sound activation trigger button, random repeat times options with 50 pre-loaded calls. Calls included wolf, elk, deer, hog, turkey, bobcat, coyote, moose, rabbit, duck, fox and many more. Operates on 4 AAA batteries (not included).