1 Long Range up to More Than 1000ft ANTENNA designed in the transmitter, the wireless signals up to 1000ft - 1300ft in open space ( has stronger signal than other bells ). It will not interfere with other equipment in your home or those of your neighbo 2 60 Chimes Choices & 5 Volumes Levels This wireless doorbell kit offers a wide selection of 60 chimes including common ring tones such as classic "ding dongs", pleasant melodies and more. 5-level of volume range from 0 db to 85 db. Silent mode with ju 3 IP44 Waterproof The transmitter of the door bell kit is IP44 water-resistant. ABS exterior ensures sturdiness for daily use. An IP rating of 44 makes the transmitter rain-resistant for outdoor use. The blue flash light adds additional visual alert fo 4 Energy Saving & Durable Ultra-low power consumption design, sustainable use of Energy. The transmitter battery can be used for over 15 months. The 12V 23A alkaline battery for the transmitter is included. Functional between -30 C to 70 C, its tough 5 Easy Installation Just plug the receiver into a wall outlet, install the push button with provided double sided tape or screw it to the wall (screws are included). Package Content: 1 x transmitter (battery included), 2 x plug-in receiver, 1 x adhesive