Small dogs pack a big personality, and now they have a bark collar to match! The PetSafe NanoBark Collar is the world's smallest, low-profile and lightweight bark collar. With the size and weight of your favorite smartwatch, NanoBark reminds your dog that, no, he doesn't need to bark at the mail-carrier while you're at work. Built to withstand a splash or a rugged road trip, this innovative dog bark collar is perfect for life at home and on the go. Simply put, bark collars just got a major upgrade. NanoBark helps keep the peace, even if your small dog has a big voice.

• Meet the Worlds Smallest Bark Collar: NanoBark is a remarkably low-profile collar that's about the size of your favorite smartwatch
• Adapts To Your Dogs Bark: NanoBark uses Perfect Bark tech to learn your dogs vocal pattern and automatically adjusts its stimulus correction for your dogs personality and barking habits
• The Perfect Fit for Small and Medium Dogs: The NanoBark Collar is tailor-made for dogs whose necks measure between 6 and 13
• Step Into the Future of Bark Collars: Experience next-gen anti-bark tech with NanoBark's focus on comfort, reliability and durability
• Noticeable Results in Just 2 Weeks: NanoBark helps keep the peace, even if your small dog has a big voice
• Rechargeable Battery: The rechargeable lithium-ion battery provides up to 40 hours of battery life depending on your dogs barking habits
• Ready For Life on the Go: Its waterproof design ensures your little buddy can accompany you for plans with friends or errands, rain or shine