Ideal for one-dog training, the Dogtra 200C has an ultracompact receiver/collar to fit dogs as small as 10 lbs. Waterproof transmitter and receiver have a range of up to .5 miles. Use the one-handed controls to dial in a precise stimulation level (0-100). Water-excelling enhanced contact points on collar deliver stimulation on land and in water. Use the pager for non-stimulation communication. Two-hour quick charge has the unit ready for the field fast. Includes rechargeable batteries, 2" antenna, belt clip, 5/8" contact points, black lanyard, 3/4" x 28" strap, rubber caps, wall charger and splitter cable.