Campanello wireless per la casa di grande successo, digitale, impermeabile, con musica, per ascoltare musica e altri contenuti.

Please specify your requirements when purchasing this doorbell. The default is neutral English European standard without a trademark. For other plugs, please specify whether the product has a Chinese standard, European standard, American standard, or British standard. Customization is available. For large quantities, discounts are available. Please contact customer service! Technical specifications: Receiver Operating Voltage: AC 110V-240V *Plug: US / EU / UK Battery in transmitter: 12V 23A alkaline battery included Power consumption of transmitter 10mW Wireless Range: 1000 ft maximum in open space Internal Sounds: 36 Chimes Volume range: 4 adjustable levels from 0db to 110db Working frequency: 433.92MHz ± 0.5MHz Waterproof Transmitter: IP44 Operating temperature: -10～50°C (14～122°F)