Campanello da esterno senza fili, impermeabile, portata 400 m, campanello senza fili, con luce stroboscopica a LED, 4 livelli di volume, 63 melodie

400-meter ultra-long wireless transmission distance: This wireless doorbell boasts a transmission distance of up to 400 meters in open environments, unaffected by interference from other nearby wireless devices. Its strong and stable wireless signal ensures you won't miss any visitors, even in a large house with multiple rooms, whether upstairs or in the basement. IP65 waterproof and durable: This waterproof wireless doorbell features an IP65 waterproof ring structure, withstanding harsh weather conditions from -20°C to 60°C. You can install this wireless doorbell anywhere indoors, on an outdoor door frame, or in your garden. Abundant ringtone selection: This wireless home doorbell features a 40mm stereo speaker for clear sound quality, 63 built-in ringtones, and 4-level volume adjustment, up to 120 decibels. Use the "Next" and "Previous" buttons to switch ringtones, allowing you to enjoy a pleasant melody every time. Three working modes: This wireless doorbell offers three selectable working modes (LED light only, doorbell, LED light + doorbell sound). If you don't need the doorbell, you can activate the silent mode. In noisy environments, the "doorbell + LED light" mode is recommended. In this mode, even if you don't hear the doorbell, the RGB lighting will alert you to the arrival of a visitor. Installation is simple: just plug the receiver into a power outlet, and then use the included screws, expansion bolts, key, or adhesive pad to mount the transmitter on the exterior wall; all the necessary accessories are included, making installation easy.