Dogtra ARC 802 Training CollarThe Dogtra ARC 802 (2 dog model) features a low profile receiver collar that is ergonomically shaped to your dogs neck. The checkered grips on the handheld transmitter allow you to always have a firm grip of the training at hand. The ARC 802 is a low to medium output e collar designed for dog breeds with medium to soft temperaments. Model for two dogs. Features Range: Up to 1 2 mile Exact stim: Precise stimulation levels, without jumps between levels