SadoTech Wireless Doorbells for Home – Adjustable Volume with 52 Chimes, 1000Ft Range, Easy Installation, Weatherproof Wireless Doorbell w/LED Flash, White

WIRELESS DOORBELL KIT: Includes everything you need for DIY installation – 1 outdoor remote doorbell transmitters and 1 plug-in smart doorbell receiver, double sided tape, anchors, screws. An A23 battery is included and will last for up to 3 years.
EASY TO INSTALL & SETUP: Our portable doorbell easily pairs and connects so you can make your wireless doorbell battery powered. Customize it by simply selecting from more than 50 doorbell chime sounds. Has 4 volume settings, perfect for naptime or parties.
LONG RANGE: Our patented technology uses the highest quality microchips and does not need wifi or bluetooth. The signal from the wireless bell ranges up to 1000 feet. Great for large homes, apartments, offices, and warehouses.