CAPABLE LONG RANGE WIRELESS DOORBELL: Specially USA Designed & made with precision in China. Door bell chime has a long range signal that will not interfere with other equipment in your home or surrounding neighbors. Even if you are away in other areas of your home or business, have peace of mind by never missing someone at your door..MUSICAL DOORBELL WITH SONGS: You will certain to find the appropriate melody by selecting any of the 52 available chimes. 4 level volume control makes it easy to find the right volume for your environment. Clean, distortion free sound from the high fidelity speaker even at the highest setting of 110db..WIRELESS PLUG IN DOOR CHIME KIT FOR TODAY'S WORLD: Solid & dependable IP55 dustproof and waterproof wireless doorbell transmitter with ultra low power consumption utilizing a CR2032 lithium battery with up to 3-year lifespan. Wireless doorbell plug in receiver installs in seconds by simply plugging it into a standard wall outlet..MORE THAN JUST AN ENTRY ALERT CHIME DOORBELL BUZZER: The SS110 is more than just a basic wireless doorbells for home or entrance alert door buzzer for business - It is a problem solver: School systems rely on it as a wireless doorbell for classroom use to quiet down noisy classrooms. Caregivers use it as a remote doorbell wireless call pager to notify when assistance is needed. Retail door chime customers use to signal staff to enter fitting rooms or checkout areas..A WIRELESS DOORBELL CHIME YOU CAN BUY WITH CONFIDENCE: Advanced doorbell chime kit yet simple to install in under a minute is backed by a satisfied guarantee. If you are not happy with your entry chime, just return it and we will replace it or refund your total purchase with no additional cost.