Classic Wireless Doorbell - Stylish modern design,artful with simplicity,elegant and unique.Excellent material keeps itself from getting higher temperature & interference. ??Longer Range; Up to 1000 Feet (300m) in the open air from the transmitter (150m if there are walls).Either you are occupied in the bedroom or at the kitchen,our wireless doorbell kit can remind you that someone is calling from outside.Never worry about missing visitors. ??36Melodies & 4 Levels Volume The wireless door bell offers a wide selection of 36 tunes for your choice.4-level of volume range from 0dB to 100dB.Silent mode with just LED flash is available when you don't want to be disturbed. ??IP44 Waterproof The doorbell push button is rated IP44 and weatherproof for outdoor use,the ring doorbell chime is suitable for any home,townhouse,apartment,office,school,hospital,hotel or other application. ??Easy to Install The portable wireless plug-in receiver plugs into any standard outlet.Simply mount the doorbell where needed and you are ready to go.Note: The button needs 3 AA batteries (not included) ??Multi Use; It is fit for home,apartment,office,villas and more.You can use our door bell to train students,using it to quiet down classrooms,seniors and disabled use wireless doorbell as assisted living call pagers! Ensures that you will not miss any visitors. ??Expandable and High Quality; We have passed the CE & ROHS Certificatio and committed to provide the most reliable with the best after-sales service for every our customers.If you not satisfied with our product or you have some suggestions for product or service improvement,please feel free to contact us and we will provide the most reasonable solution. ??Specifications Brand:ZOUYUE Color:White/Black Wireless Range: 1000Ft Maximum in the Open Air Internal Sounds: 36 Melodies