The ME-300 Micro EDUCATOR Remote E-Collar is designed for small dogs, featuring a compact receiver that is 20% smaller, 20% lighter, and provides 20% less stimulation. This e-collar is perfect for dogs weighing 5 lbs and up, offering a range of up to 500 yards. With its intuitive design and customizable settings, this e-collar is ideal for intermediate dog owners seeking to improve their pet's behavior. The ME-300 Micro EDUCATOR Remote E-Collar is a reliable and effective training tool that helps strengthen the bond between you and your dog.