Works for all Dogs: The touch button has a large and sensitive touch area that is easy for dogs of any size, whether you have a small puppy or a large one.
Easy Installation: The button needs no wiring and sticks to doors or walls with reusable Velcro. Its hook and loop tape simplifies installation, and the sticky back allows easy battery replacement without wall damage.
Long Battery Life: The transmitter is designed with a 12V 23A alkaline battery that can last up to 3 years.
IP65 Waterproof: It is also rated IP65 for dustproof and waterproof protection, allowing it to withstand harsh weather conditions between -4 °F and 140 °F.
EXPANDABLE: Expand your existing doorbell system with up to 6 transmitters and unlimited receivers.