Wireless Door Bell, KuGi &reg; High quality C Style Premium Portable Wireless Door Bell with 52 chord music , 1000 ft, 300 m Range Wireless Door Bell (1 Push Button + 1 Door Chime) (White) High quality Premium Portable Wireless Door Bell of 1 push button (transmitter) and 1 door chime (receiver) supports a wireless range of up to 1000 ft / 300 m Offers a total of 52 chime tones to choose, 4 levels of adjustable sound volume (25 to 110DB) Blue LED flashes when someone knocks at your door. And the sleek design easily blends with the decor of your home Door chime can be plugged into an electrical outlet in your home High quality speakers, make the doorbell music is pure, high output decibels