Key features

• •【Special Panic Button】The SOS button of houses wireless doorbells made of high quality material with long battery life, can last more 1 years and easy to take it to anywhere. Especially designed for Both Caregiver and Patient/Elderly/Resident/Handicapped/Sick Freedom while Still calling for Help at home. Not need to Yell to Get Someone's Attention
• •【Easy to Install & Use】It is very simple and convenient to install the doorbell, just only need 3 minutes. No need any tool help, just plug the receiver into standard outlet and then tear the double-side tape to stick the push button on the wall.
• •【52 Chimes and 5- Levels of Volume】The wireless doorbell offers a wide selection of 52 chimes for your personal taste, it has a memory retention feature, so it will keep your settings, you don't need to reset it , even the receiver is powered off, and provide 5- level of volume range from 0B to 110dB to meet your different volume demand.
• •【Long Operating Range】The doorbell operating range at over 900 feet, meet the use of general family and courtyard, receive sensitive, signal is very stable. Ensures you never miss a visitor, even if you are a few rooms away or on another floor.
• •【Long Lifespan of Battery】The door bell push button come with special design battery, Can be used for at least one year. No need frequently to buy and change, save your big time and money.