SECRUI Wireless Doorbell, Plug in Waterproof Battery Operated Cordless Doorbell Operating at 1,000 Feet Long Range with…

Loud Enough Wireless Doorbell for Anywhere – Adjustable volume and mute mode: 0 to 120 dB, 32 optional Melodies. Memory function makes the plug in doorbells remember the last ringtone and volume, no need to reset even if after a power outage.
Long Range Plug in Doorbell – Ultra-long wireless range up to 300M. The strong and stable wireless signal ensures that you will never miss any visitors even if you are in a big house with several rooms. Whether upstairs or basement.
IP 55 Waterproof – Ultra-low power consumption and CR2032 lithium battery gives a lifespan of up to 3 years; no need to worry about frequent battery replacement; IP55 waterproof rating to withstand the harshest weather (-4 °F to 140 °F).
LED Indicator – The 7 color LED light indicator on the plug in receiver flashes when the transmitter is pressed and a signal is received. They alerts those with impaired hearing or when the doorbell sound is (temporarily) unwanted. Mute the wireless waterproof doorbell if a ringtone is not desired and get notified visually by the LED instead when someone shows up at the door.
Cordless Doorbell Receiver & Push Button Expandable – Already paired before factory and different transmitters can be set to different tunes. Expandable up to 20 doorbell kit. With multiple wireless door bells you can configure each door with a different ringtone. Know exactly which door your visitors are calling from. It’s convenient for homes or offices with multiple entry points.Search “SECRUI” on Amazon to find doorbell accessories.