300M WIRELESS RANGE: 2 plug-in receivers included; will not interfere with other equipment in your home or those of your neighbors; ensures that you will never miss any visitors, even if you are several rooms away.
55 BEAUTIFUL CHIMES: Stereo speaker delivers rich and crisp sound; press the Next or Previous button to easily choose from 55 melodies; 5 adjustable volume levels, with a maximum volume of 100 dB; enjoy pleasant melodies whenever someone rings at your door.
MEMORY FUNCTION: Preserves your last set melody and volume level after a power outage; no need to reset to your previous settings; convenient and easy to use design for a better user experience.
HIGH PERFORMANCE TRANSMITTER: Ultra-low power consumption; uses a lithium battery that boasts 3 year maximum lifespan; IP55 dustproof and waterproof; working temperature ranges from -30 °F-70 °F; withstands various harsh weather conditions.
SIMPLE SET UP:Just plug the receiver into a socket and fix the transmitter on a wall with the accessories provided; includes 1transmitter (battery included),2 plug-in receivers,1 piece of double-sided bonding tape,2 screws,2 anchors,1 small screwdriver,1 user manual.