CallToU Dog Doorbells-Dog Door Bell for Potty Training-Wireless Doggie Buttons 5 Levels Volume 55 Ringtones Receiver accessories NO MORE BARKING - Say

NO MORE BARKING - Say goodbye to barking and hello to the soothing sound of a doorbell

No matter your smartphone is in other cities or provinces

It is recommended to change it once every 12 months

【Portable Vibrating Alert】The wireless Battery receiver is portable

CallToU Dog Doorbells-Dog Door Bell for Potty Training-Wireless Doggie Buttons 5 Levels Volume 55 Ringtones Receiver accessories NO MORE BARKING - SayProduct Description CallToU FOR ALL DOGS Our wireless doorbells work with any size of pup. Our doggie doorbell and training bells are useful for training dogs of any age but are really successful as potty training bells for puppies between 8 12 weeks old. WATERPROOF & LONG RANGE The dog training bell with IP55 waterproof grade, which can be used indoors and outdoors. The receiver and transmitter's working distance can reach 500ft in a barrier free