【55 Chime Tones & Adjustable Volume】The outdoor wireless doorbell has 55 different polyphonic ringtones and the volume is adjustable from 0 to 110 dB in 5 levels, easy to choose and set your favorite ringtones and the appropriate volume.

【300m/1000ft Wireless Range】The operating range is 150m to 300m in an open area without obstacles. The design of the waterproof wireless outdoor doorbell is suitable for families, offices, apartments, etc.

【Memory Function & LED Flash】The wireless home doorbell can help you keep the last melody and the last volume level after power off without resetting the previous settings. The wireless doorbell with LED indicator is convenient for the elderly and hearing impaired.

【High Performance Transmitter】IP55 waterproof and dustproof transmitter can withstand all kinds of extreme weather conditions and operate between -22°F and 158°F.

【Easy Installation】Includes 2 receivers and 1 transmitter. Install the doorbell after pairing. Put the battery into the battery compartment of the receiver, you can place the receiver anywhere you want; For the transmitter, you can choose to use the included double-sided tape or corresponding screws to fix the transmitter to the wall.