No-Bark Collar

100% waterproof (dog can wear while wet or in water) Compact, lightweight and waterproof Easy snap on, adjustable collar strap Tough nylon collar strap adjusts from 5" to 28" for dogs approximately 5 lbs to 120 lbs 8 user-programmable levels of harmless, static stimulation Tone only option (only a beeping warning tone will be emitted) when a no-stim option is needed. Beep tone warning following by selectable e-stim On-Off dial on unit with numbered options for selecting the e-stim levels makes it easy to select the proper correction level User-replaceable 6-volt battery (included) Average battery life: 2-3 weeks depending on use (6v Lithium recommended for best performance) Technologically advanced vibration sensor only picks up vocal cord vibrations from your barking dog (it will not activate from other loud noises or other barking dogs)