NO BATTERY REQUIRED: Door transmitter is used the unique Kin etic technology that generates electric power to ring your home doorbell without any battery and create wireless signal.
50 M/164-FT WIRELESS RANGE: 1 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,
28 MELODIOUS CHIMES: 40 mm stereo speaker delivers rich and crisp sound; 4 adjustable volume levels with a maximum volume of 110 dB; press Next or Previous button to easily choose from 28 melodies and you will enjoy pleasant melodies whenever someone rings at your door,
IP68 WATERPROOF: IP68 dustproof and waterproof rating; works between -10 °C to 55 °C; withstands various harsh weather conditions,
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 an enhanced user experience,
EASY TO SET UP: Just plug the mini receiver into a socket and fix the transmitter on a wall with the accessories provided; includes Double-sided adhesive tape,