SUPER EASY TO INSTALL - Ready to use right out of the box for the wireless doorbell. Plug the doorbell receiver into an outlet and attach the doorbell transmitter wherever you want with the included accessories (base plate, double-sided tape and screws).\r
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WEATHERPROOF TRANSMITTER - The transmitter is IP55 rated weatherproof and approved for outdoor use. The wireless range from the transmitter to the indoor receiver is up to 1000 feet (300 m), it uses advanced wireless transmission technology (FSK+FHSS)\r
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to avoid wireless signal interference from other wireless devices and can go through doors/walls/floors/and etc.\r
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SMART&COMPACT RECEIVER - The doorbell receiver has 35 optional melodies and 5 adjustable volume levels (including silent mode). Expandable to up to 32 transmitters and unlimited number of receivers for complete coverage of your property and match different melodies\r
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with different transmitters to distinguish which one is detected (e.g. the melody for the front door is \"Doorbell\", and for the backyard is \"Dog Barking\").\r
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MEMORY FUNCTION - Remember your last doorbell settings (e.g. different melodies for different transmitters) even if the AC power goes out. You don't need to reset the device, it's super convenient to use and it's also a great idea for any\r
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occasions such as home, apartment, office, classroom, warehouse and etc.