Wireless Doorbell, 1000 ft Range, 2 Buttons + 1 Receiver, Black 115 dB Volume, LED Flash, Different Chimes per Button, IP55 Waterproof, 3-Year Battery, No Wi-Fi

EASY TO SET UP: 2 transmitters included, and you can add more CR-1/RB-1 plug-in receivers for expanded coverage; simply mount the transmitter on the wall without any wiring, and it comes with 4 screws, 4 anchors, 1 key, and 2 double-sided adhesive pads 1, 000
FT/300 M LONG WIRELESS RANGE: Will not interfere with other equipment in your home or those of your neighbors; ensures you will never miss a visitor, even if you are a few rooms away or on another floor
TAILOR YOUR TRANSMITTER: 1.1 in (29 mm) stereo speaker delivers rich and crisp sound; 52 melodies and 5 adjustable volume levels with a maximum setting of 115 dB; set a different ring tone for each transmitter so that you know exactly which doorbell has been rung
HIGH PERFORMANCE: The transmitter has ultra-low power consumption; uses a lithium battery that boasts a 3-year maximum lifespan; IP55 dustproof and waterproof rating; works between -4 °F to 140 °F; withstands various harsh weather conditions
MEMORY FUNCTION: Remembers your last melody and volume level after a power outage; no need to reset to your previous settings; convenient and easy-to-use design for an enhanced user experience