IPS Wireless Doorbells Waterproof Door Chime Kit with 3 Plug-in Receivers & 2 Push Button Transmitter Operating Long Range 900ft, 52 Chimes 4 Level Adjustable Volume and LED Flash

IPS wireless doorbells consists of 2 waterproof push buttons and 3 door chimes. Easily installed by double-adhesive tape or screw. Operating distance is up to 900ft.User can define the volume or chime. Volume is loud enough. You won't miss a visitor any more. I love this wireless doorbellAdjustable chimes User can choose your favorite music. This wireless door bell system also allows the user to set up different chimes for each receiver. The steps of matching code: 1. Choose your favorite melody 2. Long press the volume button until hearing "Dong" in 5s 3. Press the button of the transmitter Medical alert function Babies, elderly people or patients can use this device to contact their loved ones in emergency by simply pushing the button on the transmitter installed near their bed. Specifications: Receiver Working Voltage: AC 110V (US) Push Button Battery: 23A 12V (included) Volume: 25-110dB Transmission Range: 900ft (in open area) Number of Melodies: 52 Package includes: 3 x Plug-in Receivers 2 x Waterproof Transmitters 1 x User manual 2 x Double-adhesive tape 2 x Battery 12V23A (not rechargeable)Wireless Doorbell Waterproof Chime Kit Operating at Over 900 Feet with 52 Melodies 4 Volume Levels LED Flash Quality Sound No Batteries Required for Receiver For Home/Office 1000 Feet Long Range Chimes 3 Remote Button and 2 Plugin Receivers Expandable Alert System Door Bell Indicator 1 Plug-In Receiver 1 Push Button Transmitter Battery Operated Weatherproof Battery included Plug-in AC