LONG CONNECTION DISTANCE, UP TO 656 FEET - The doorbell chime extender 's transmitter and receiver connect directly through a 433 wireless module (no WiFi/Bluetooth/Other required), with strengths in long connection range, strong penetration capability and stable connectivity. So you can plug the speaker/receiver into any place in the house, such as the kitchen, upstairs, garden, or even the basement
MAX VOLUME REACHES 110dB - VERY HELPFUL FOR THE ELDERLY OR THOSE WITH HEARING DIFFICULTIES - The door bell chime speaker/receiver has 5 adjustable volume levels, ranging from 0 to 110 dB. A noise level of 110 dB is equivalent to the sound of a power drill during renovations, which can be heard by most people with hearing difficulties
2-STEP INSTALLATION - The wirelss doorbell chime transmitter and speaker/receiver are pre-paired; you just need to connect the transmitter to the wired doorbell Then plug the receiver into the desired location. This way, when someone presses the doorbell, the speaker/receiver will sound an alert to notify you
Please Note: This Wireless Doorbell Extender is not compatible with any video doorbells. If you have any question with installation, please send us the doorbell circuit diagram for installation guidance. We will reply within 24 hours.