The new Snow Crow comes packed with two deluxe horn speakers powered by a 50-watt internal amplifier. You can optionally connect two more speakers to the unit making it produce more clean sound than any other caller. Unit is powered by a hi-capacity SLA 12-volt rechargeable battery, which is included. Battery can be replaced with no tools in 15 seconds. Comes standard with long range remote control, standard USB port and cable for instant downloads. 32 programmed sounds including snow goose, deer, coyote, turkey, and crow. Microphone/external audio jack allows unit to be used as a PA system or play audio from a MP3 or DC player. Decoy jack and battery level indicator come standard.