Dogtra ARC Hands Free Additional Electronic Training Collar Receiver - Replacement or additional receiver for the Dogtra ARC HANDSFREE PLUS, with an orange strap. Includes (1) HANDSFREE SQUARE. New ARC HANDSFREE PLUS Features! Now including HANDSFREE SQUARE for Remote Control 3/4-Mile Range IPX9K Waterproof Certified Medium Output Receiver 127 Stimulation Levels/Rheostat Dial/LCD Screen Nick/Constant Stimulation & Pager Vibration For Dogs 15 Pounds and Larger