NineLeaf 1 Set Wireless Doorbell for Home Classroom Office Business,Wireless Door Open Chime,1300ft Long Range,Adjustable Volume 48 Chimes with LED Flash Plug in Door Chime Receiver, IP66 Waterproof - NL-AMA001-KS-DB03-1

• wireless door chime offers a generous detection area of nearly 400 feet. Far enough to cover every window and door in your house. Expand the system can pairing up to 32 wireless doorbell botton,magnetic sensors and infared sensor. 48 unique ringtones and chimes allow your wireless door and window entry alert system to meet any need. Add more receiver or sensor to setup different chimes in multiple areas for front door, back door, sliding door, main floor, basement, garage, toddler room, baby room, play room, pool door, shed, storage, attic, gates, office, warehouse, back of shop, apartment, mobile home, RV, dorm room, restaurant and many more possibilities. With the built-in LED indicator, the wireless door alert receiver and sensor offer additional assistance when coupled with the receiver to the hearing impaired. Difficulty hearing is no problem with our wireless doorbell. With its simple wireless plug-in and double-sided tape, the wireless door and window chime sets up in seconds. It gives you the opportunity to spend your time elsewhere. All hardware is included, and ready to use. 1 set : 1 receiver + 1 doorbell button ,400M/1300ft wireless range