Wireless Doorbell 150M, LED Indicator, 36 Melodies With 4 Volume Levels, 1 Transmitter And 1 Spare, Wireless Home Chime

【Plug and Play】- Wireless doorbell is easy to install and use, all you need to do is connect the receiver to a household power outlet and use the included 3M double-sided tape to install the transmitter box outdoors. Complete the installation in 3 minutes! Simple operation, no need to pull the cable, no need to drill the wall! 【8 Levels Ultra-Volume Adjustable】- Wireless doorbell uses the most stable music chip in the industry. It can better penetrate walls to ensure a more reliable connection. There are 36 songs in the doorbell to choose from. You can use the music selection button to slide these 36 songs, which can provide 8 levels of volume. Press the music button once, the music will gradually increase from level 1-8. 【Long Wireless Range】- Doorbell has a wireless frequency of 433 MHz and a very wide range, which will not interfere with other devices in the house. A single sufficient radio rate allows bells to be installed anywhere in the house. It is also an ideal replacement for traditional bells, traditional bells have been Fallite and can alert elderly patients and nurses. 【Memory Loss Prevention Function】- Wireless chime has a shutdown memory function, which will memorize the volume and music selected before shutdown, so there is no need to worry about losing information. In addition, the doorbell uses a low-power design that can save energy and standby for a long time. 【LED Indicator Alert Person】-When the wireless doorbell is connected to 220 AC, the outdoor Wi-Fi doorbell will play the currently selected music and the LED will flash and enter the code matching mode. If someone presses the bell, the doorbell will ring to ensure that you will not miss any visitors or packages..