We understand not all dogs are the same. PetSafe® offers collars with different levels of stimulation. Regardless of whether you have a hyperactive Labrador or a bashful beagle, we have the right collar for your pet. Our Add-A-Dog® Standard Extra Receiver Collar will work with the 300 Metre, 600 Metre, and 900 Metre Standard Remote Trainers. It is perfect for most dogs, delivering a safe and effective static stimulation to get your pet’s attention. The Add-A-Dog® Lite Extra Receiver Collar will work with the 300 Metre Lite and 600 Metre Lite Remote Trainers. It is designed specifically for dogs with a sensitive or timid personality. The stimulation levels are very gentle even when increasing to higher levels. Key Features 15 levels of static stimulation plus tone and vibration Safety lock on levels 8-15 prevents accidental stimulation at higher levels Waterproof and rechargeable Battery Charge Time Battery recharges in 4-5 hours Collar Size Fits neck sizes up to 71 cm System Includes Adjustable Collar with waterproof coating Long and Short Contact Points Universal charging adaptor Test Light ToolOperating Guide