Only used a few times * Long and short contact points for customizing collar to your dog * 18 levels of continuous and momentary stimulation * 1/2-mile range keeps your dog within reach No two dogs are exactly the same. That's why Garmin's Delta Dog XC Bundle with Tri-Tonics® Technology includes long and short changeable/replaceable contact points - so you can choose the correct size relative to their coat. 18 levels of momentary and continuous stimulation plus tone and vibration let you use the exact level your dog responds to the best. 1/2-mile range will almost always be able to reach out and correct your dog's behaviour while in the field. Three training configurations address a wide range of behavioural issues. Can be set to train up to three dogs. Waterproof rating of IPX7. Powered by long-lasting, rechargeable lithium-ion batteries (included). Includes handheld, dog device, black 3/4-inch collar strap, charging clip, contact point set (long and short) with wrench, lanyard, USB cable, USB split cable, AC adapter and manual.