Little Dog Remote Trainer RADIO SYSTEMS CORP Misc Dog and Cat HDT11-11049 Material: 255 Different frequencies so you can train more than one dog at a time 10 correction levels that you set conveniently from the transmitter Uses common 3-volt lithium and 9-volt batteries (included) Range up to 100 yards A weather resistant transmitter and fully waterproof receiver Low Battery Indicator Tone Option With or Without Stimulation 54 Page Behavior Training Guide FCC Approved Owners Manual Color: Multi-Color Color Mapping: Multi-Color Dog Age: Adult Breed Size: Medium Breed