5790100 Features: -Remote trainer. -Allows easy one-hand operation without taking your eyes off your dog. -Compact, tough, and dependable receiver. -2.5'' Fixed transmitter antenna with enhanced performance eliminating lost or broken antennas. -6 Levels of continuous and 6 levels of momentary stimulation. -No stimulation setting to avoid accidental stimulation. -Multi-dog selection switch colors match collar strap colors to identify dogs being stimulated. -Consistent 1-mile range. -Waterproof transmitter and receiver. -Insulated contact points for reliable performance in wet conditions. -Long and short contact points for different coat thickness. -Stainless steel contact points minimize neck irritation on the dog. -Front located transmitter button activates tone signal on receiver. -Transmitter remotely operates accessories including the accessory beeper and Tracer light. -Proprietary charging system charges without damage and fully charges in two hours. -Charging adapters eliminate need for jacks or plugs on transmitter and receiver. -Battery life indicator on transmitter and receiver so you know when to charge the system. -Long lasting rechargeable, user replaceable, NiMH batteries for transmitter and receiver. -Easy to access receiver on/off switch. -Durable carry/storage case with dry bag to keep transmitter and charging system separate from wet muddy collars. -30 Day money back guarantee. -2 Year comprehensive warranty.