Educator ET-800 The Boss 1-2 Dogs Training Collar LED Light – Behavior Trainer For Dogs w/Remote, 1-Mile Range Frequency – Vibration Stimulation Tone Includes eOutletdeals Travel Bowl

EXPANDABLE (must purchase 2nd dog receiver/collar)You may also like E-Collar ME-302 Two Dog Micro Collar Remote Dog Trainer - 1/3 Mile - Tapping Sensation & Pavlovian Stimulation.