Campanello senza fili, autoalimentato (non richiede batterie) portata di 150 m, 38 melodie, 4 livelli di volume (0-105 dB), impermeabile IP68 nero

Battery-Free Wireless Doorbell: This wireless doorbell operates completely independently, requiring no wiring or batteries, making it both environmentally friendly and economical. Simply press the transmitter to generate power and send a stable signal to the receiver. You'll never have to worry about damaging walls or equipment when changing batteries again. 38 Ringtones and 4 Volume Levels: Our wireless doorbell features a stereo speaker, providing rich and clear sound quality. You can choose from 38 ringtones and 4 volume levels (including a silent mode) to suit your personal preferences. A long press of the volume button restores the default "ding-dong" ringtone. Thanks to the memory function, your settings are retained even during power outages. 150-Meter Wireless Transmission Distance: This doorbell has an effective transmission distance of up to 150 meters, suitable for homes, villas, and gardens. You can hear the doorbell clearly even from your garden or upstairs. Furthermore, the system operates without interfering with other household appliances. IP68 Waterproof and Dustproof, All-Weather Application: This outdoor doorbell is waterproof and dustproof, able to withstand harsh weather conditions such as heavy rain, blizzards, and strong sunlight. Tested and confirmed to function properly after being submerged in water and then dried, the transmitter is designed to withstand various harsh weather conditions. Installation is simple: just plug the compact receiver into a socket and use the included accessories (two screws and a strip of adhesive tape) to secure the transmitter to the wall. This battery-free wireless doorbell is suitable for homes, apartments, schools, villas, and offices, making it a perfect gift for homeowners and business owners for Christmas, birthdays, or anniversaries. Modern minimalist design: the stylish black casing blends seamlessly with any interior décor. Compact yet powerful.