The D.T. Systems Canine Coach 360 lets your dog be a dog while your still in control by featuring 15 levels of continuous stimulation and a beeping tone for a no shock alternative. The remote offers a 360 yard range and utilizes a 9 volt replaceable transmitter battery (not included). The included collar battery is a NiMH rechargeable battery. The collar features a multi-adjustment Quick Snap buckle collar and a 100 percent waterproof compact design, weighing around 2 oz. The collar is adjustable from 7" to 27", fitting dogs weighing approximately 5 lbs to 120 lbs. There is a magnetic on/off switch built into the collar along with a battery saving mode and auto safety shutoff.