Kit campanello senza fili con portata effettiva fino a 200 metri – include orologio, termometro, igrometro e 38 suonerie – facile da installare.

This battery-free wireless doorbell set boasts a range of up to 200 meters, features an LCD display showing time, temperature, and humidity, and includes 38 built-in ringtones. Easy installation makes it an ideal choice for any home. Product Overview: This smart wireless doorbell set perfectly combines modern design with practical functionality. It requires no batteries or wiring—just plug and play—simply plug it in! Thanks to innovative kinetic technology, the transmitter generates its own power when pressed. Its effective range reaches 200 meters.​​With a range of up to 200 meters and strong wall-penetrating signal transmission capabilities, this doorbell transmitter ensures reliable doorbell signal reception in any home environment. Key features overview: Battery-free and energy-efficient: This doorbell transmitter operates entirely without batteries. Kinetic energy is converted into electrical energy when pressed—maintenance-free and cost-effective. Rugged and durable, waterproof and dustproof: IP44 protection rating. Made of high-quality materials, it is durable and aesthetically pleasing. Waterproof and dustproof, safe for outdoor use, effectively preventing dust and water splashes. Transmission distance up to 200 meters with stable signal. Utilizing optimized radio technology, it has strong signal penetration, ideal for multi-story houses, large apartments, or buildings with thick walls. Multi-functional LCD display accurately shows time, room temperature (Celsius and Fahrenheit switchable), and humidity, accurate to the second. The high-quality display is clear and easy to read even in bright light. 38 ringtones and 4 volume levels: 38 different ringtones are available, including international language ringtones. Featuring 4-level volume adjustment (0-100 dB) and a silent flashing mode suitable for sensitive users (infants, the elderly). Practical additional features include door number display (compact call system) that can distinguish up to 10 different doorbell transmitters/callers (ideal for shared apartments or multi-family homes). Memory function: retains your settings even during power outages. Elegant design and easy installation: The high-gloss surface with a clear glass finish blends harmoniously with any living environment. No drilling or wiring required—simply plug it in to use.