Wireless doorbell with a 150m range, LED indicator, 36 melodies with 4 volume levels, 1 transmitter and 1 spare, Wireless house chime for home

【Plug and Play】-This wireless doorbell is easy to install and use. Simply plug the receiver into a standard household outlet and use the included 3M double-sided tape to mount the transmitter box outdoors. Installation takes just 3 minutes! Simple operation, no wiring required, no drilling!

【8 Ultra-Adjustable Volume Levels】-This wireless doorbell uses the most stable music chip on the market. It penetrates walls more effectively to ensure a more reliable connection. The doorbell features 36 pre-loaded songs. You can use the music selection button to cycle through these 36 tracks, which offer 8 volume levels. Press the music button once; the music volume will gradually increase from level 1 to 8.

【Long Wireless Range】- The doorbell has a 433 MHz wireless frequency and a very long range, which will not interfere with other devices in the house. A single, sufficient radio signal allows for installation anywhere in the house. It is also an ideal replacement for traditional doorbells, which have become obsolete and can alert elderly patients and caregivers.

【Memory Loss Prevention Function】- The wireless doorbell has a power-off memory function, which will remember the volume and music selected before powering off, so there is no need to worry about losing this information. In addition, the doorbell uses a low-power design that can save energy and remain in standby mode for extended periods. 【LED Indicator to Alert Visitors】 - When the wireless doorbell is connected to a 220V AC power supply, the outdoor Wi-Fi doorbell will play the currently selected melody, and the LED will flash, indicating that it has entered code pairing mode. If someone presses the bell, the doorbell will ring to ensure you don't miss any visitors or packages.