The safe, smart, easy way to train your dogThis system features an easy to use transmitter that delivers 15 levels of momentary or continuous stimulation or tone with a 1,000 yard rangeKit includes transmitter with digital display, antenna, training collar with rechargeable receiver, NiMH battery for receiver, battery charger, collar probes, test light, 6-volt alkaline batteries for transmitter, probe wrench, and instructional video