The Eichler Single Predator Call features 40 pre-loaded predator calls. It has 8 GB internal memory and 2" dot matrix display. The call also utilizes two external jacks to accommodate secondary amplified speaker(s), sound overlay, configurable preset volume levels, and USB jack. Included is a 300 yd long range remote with four programmable quick sets, easy read back lit, and is powered by 9V battery (not included).