Features For indoor or outdoor use For dogs 3.6 kg and up Fits neck sizes up to 68.6 cm 15 adjustable levels of static stimulation Sound & vibration sensors - only your dog's bark causes stimulation Automatic Safety Shut-Off Waterproof Uses a rechargeable battery (built-in; non-replaceable) Battery usually lasts 40-50 hours Battery recharges in 4-5 hours System Includes Bark Collar USB Charging Cable Test Light Tool Long Contact Points
