Wireless Doorbell, Anko Reaches 1000 Feet Distance Portable Operating Radio Range with 36 Chime Kit (1 Push Remote Button Transmitter+2 Receiver,No Batteries Required for Receiver,White) OUR ORIGINAL CLASSIC DOORBELL. A stylish modern design in classic white! Artful with simplicity, elegant and unique. Excellent materials keeps itself from getting higher temperature & interference. OPERATING RANGE, the doorbell can reach a distance of up to 1000ft when there are no obstructions. Remote transmitter button is rated weatherproof and acceptable for outdoor use. 36 DIFFERENT RING TONES AND ADJUSTABLE VOLUME, The doorbell features 36 chimes and adjustable volume to suit your needs. Forget annoying doorbell sounds, now you can have your favorite chime in the volume that you prefer. EASY TO REMOVE, The doorbell is mounted by simply sticking it to a wall using the included adhesive strip(s). Easily plug receiver into an electrical outlet. It is an ideal unit for easy installing a doorbell without the hassle of wiring. Simply mount the doorbell where needed and you are ready to go. PERFECT USE, A perfect use case scenario for this product would be if you can put one receiver on the first floor, the another one in the basement, garage, or second floor. If someone pressing a single transmitter button, two receivers play same song. No matter where, you know that the guest come.