Your Dog’s Personality: Not all dogs are the same: The stimulation that's right to help train your hyperactive Labrador might not be the same as what's best for your bashful Beagle. Standard remote trainers are perfect for most dogs, delivering a safe and effective static stimulation to get your pet’s attention. Lite remote trainers are designed specifically for dogs with a sensitive or timid personality. The stimulation levels are very gentle even when increasing to higher levels.Quickly and effectively train your dog with the PetSafe 600 Yard Lite Remote Trainer. Rechargeable and waterproof to suit your lifestyle. Comes with three different types of stimulation: tone, vibration and 1-15 levels of static stimulation (with safety lock feature for 8-15). The Lite version features a milder stimulation for sensitive and smaller dogs, even when increasing to higher levels. The backlit, digital remote is easy to read and features a convenient two button design with dedicated buttons for tone and stimulation.This makes it easy to use as a vibration or tone trainer. It is lightweight and ergonomically designed to fit dogs 8 lb. and up with neck sizes up to 28". Train up to two dogs at once with the purchase of additional collars; PetSafe Add-A-Dog Receiver Collar PAC00-16163 or PetSafe Add-A-Dog Lite Receiver Collar PAC00-16164.