AUTENS Wireless Doorbell, Plug in Door Bells & Chimes for Home Classroom Business, Expandable Waterproof Door Chime Kits Battery Operated, 58 Melodies (1 receivers + 1 Push Button, White)

Easy to
Install & Use: With 1 push button transmitter and 1 plug in receiver, AUTENS wireless doorbell is perfect for small 2-story homes or large apartments. No more pairing or syncing, no batteries are required for the receivers, simply plug into power supply, set your ringer and volume and you are good to go. The push button can be mounted on your entry door easily with the double-side adhesive tape included. The push button is rated IP44 waterproof and acceptable for outdoor use
Expandable & DIY: You can also DIY to meet your requirement by pairing more AUTENS wireless doorbell receivers and push button transmitters. Plug in the first receiver, hold down volume button and don't release it and then press the first transmitter until you hear the chime and then press the second transmitter until you hear the chime and then release the volume button. Do the same for the second, third, fourth... receiver. the pairing is complete
Long Range up to 850 feet: The wireless signals up to 850 feet in open air, long enough to mount the door chime receiver as you will. It will not interfere with other equipment in your home or those of your neighbors; no matter you are in the garden or kitchen, you will always be easily informed when someone is calling from outside. This kit is made of ABS material, which is non-toxic and harmless. It has no electromagnetic radiation, so its perfectly safe even for pregnant women or children
58 Melodies & 5 Level Volume: This wireless doorbell kit offers a wide selection of 58 chimes including common ringtones such as classic "ding dongs", holiday tunes, birthday tunes and more pleasant melodies. 5 level of volume range from 0 db to 100 db. Silent mode is available when you don't want to be disturbed by the visitors. You can easily adjust the suitable volume as your need. Both the transmitter and receivers flash when button pressed, give an alert for the hearing impaired person
Energy Saving & Multi-Function: Ultra-low power consumption design, sustainable use of Energy. The 12V 23A alkaline battery for the transmitter is included, which can be used for over 15 months. Functional between -30°C to 70°C, its tough and durable construction allows the door bells & chimes to operate in even the harshest weather conditions. It also can be used as caregiver pager for the old/patient, just press the transmitter button, family or caregiver can receive the signal for help