Dogtra Dogs 202C No-Nonsense Dog Training Collar 1/2 mile range; Precise stimulation level (0-100) Nick and Constant stimulation along with the High Performance Pager; Ultra-compact receiver-collar designed for smaller dogs 2-hour rapid charge Lithium Polymer batteries; Fully waterproof transmitter and receiver-collar Low to medium power stimulation; Easy to use 1-handed operatio Enhanced contact points