White Wireless Doorbell Chime Kit Plug-In Waterproof with 2 Chimes Wireless Range: 1000ft maximum in the open air Internal Sounds: 36 Chimes Volume: 4 level adjustable levels (25db to 85db) Receiver Power: AC 110V ~ 220V 50Hz / 60Hz Transmitter Power: 1 x 12V 23A battery (included) Long Operating Range - Operating range up to 1,000ft/300m in open area ensures you to hear the bell and answer the door in time. Either you are occupied a few rooms away or on another floor, in the garden or kitchen, you will always be easily informed when someone is calling from outside, nsures you will never miss a visitor. 36 Melodies Adjustable Volume - The wireless doorbell offers a wide selection of 36 chimes for your personal taste, you can have a Christmas doorbell during the christmas season, for example, and more. 4-level of volume range from 25dB to 110dB to meet your needs for different occasions. Flashing light with audio alert indicators which is easy for people including the hearing impaired to notice. Easy Installation Using - Screws and double-sided adhesive tapes included for easy be fixed to the doorframe of the transmitter. Easily plug receiver into an electrical outlet (no batteries required for main receiver). Install just plug it in location you need it to be heard, then you put the button where you want someone to push the button. Remembers your last melody and volume level after a power outage; no need to reset to your previous settings. Package Includes: 1 X Push Button (Transmitter) 2 X Plugin Chime (Receiver) 2 X Screws W/Screwdriver 1 X Double-Sided Adhesive Tape 1 X 12V 23A battery for Transmitter