Sonnette sans fil étanche pour extérieur, portée jusqu’à 300 m, 58 mélodies et 5 niveaux de volume, kit avec 2 émetteurs et 3 récepteurs à brancher, couleur noire

60 ringtones and LED indicators: 60 melodies to choose from, 5-level volume adjustable from 0 dB (quiet) to 110 dB. LED lights flash blue when a signal is received, so people wearing headphones or hard of hearing won't miss visitors.

300 meters wireless transmission: The wireless signal has strong penetration and stability, and can cover most apartments, villas, construction sites, small offices, etc.

LONGER BATTERY LIFE: The doorbell (transmitter) has a built-in 23V 12A alkaline battery with a lifespan of approximately 3 years. The doorbell (transmitter) can be used in an environment of -20°C to 60°C.

Memory function and upgradeability: intelligent memory function, after replacing the battery or restarting the doorbell, the doorbell will remember the last selected melody and volume settings, no need to reset. Support to expand this series of doorbell transceivers, channel sensors, motion detectors, etc.

Easy to install: The receiver can be plugged into the socket for use, and the transmitter can be stuck to the wall with double-sided tape or fixed to the wall with screws. Installation tools are included in the package.