Wireless Doorbell Kit,Battery-Free Self-Powered Doorbell,600FT Long Wireless Range,63 Chimes,Adjustable Volume with RGB Light,IP68 Waterproof Doorbell for Home, Classroom and Hospital

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• ★[Self-Powered Doorbell&Battery-Free Operation]Every time you press the doorbell button, it generates power itself to send a strong, stable signal to the indoor receiver. Truly battery-free for lifetime use, saving you the time, extra cost and hassle of frequent battery replacement.Effortless installation and hassle-free operation.
• ★【600FT Ultra-Long Wireless Range】This wireless doorbell delivers a reliable open-air range of up to 600 feet, without interfering with other nearby wireless devices. The strong anti-interference signal ensures you will never miss any visitor.Wireless doorbells suitable for home,apartment, classroom, villas, hotel, factory, hospital and more.
• ★【IP68 Waterproof, Dustproof, Freeze & Heat Resistant】Boasting an IP68 waterproof and dustproof rating, the outdoor doorbell button withstands all harsh weather. It works perfectly in extreme temperatures from -4°F to 140°F, resisting sun exposure, heavy rain, snow and dust storms all year round.
• ★[RGB Flash Light & Mute Mode Doorbell for Hearing Impaired]The plug-in indoor receiver comes with bright RGB flashing lights for clear visual alerts. With up to 115dB high volume, it’s perfect for the hearing impaired. You can turn on mute mode to turn off the chime, and rely solely on the RGB flash light to notify you of visitors without any noise disturbance.
• ★[Easy to Adjust doorbell chime function]Choose from 63 premium CD-quality chimes and 4 adjustable volume levels ranging from 0dB to 115dB. The loud sound covers every corner of your home, ideal for seniors and people with hearing loss. You can also lower the volume or enable mute mode for quiet rest and sleeping moments.