Avantek Mini Waterproof Doorbell for 2 Transmitters + 4 Receivers at 1000 Feet

SIMPLE SETUP: The mini receiver can be easily plugged into a socket, and the transmitter can be fixed on a wall using the provided accessories, which include 2 screws, 2 anchors, a key, and a piece of double-sided bonding tape.

ULTRA LONG WIRELESS RANGE: 2 transmitters and 4 plug-in receivers are included, ensuring that the device will not interfere with other equipment in your home or those of your neighbors. This ensures that you will never miss a visitor, even if you are a few rooms away or on another floor.

52 CHIMES TO CHOOSE FROM: The 1.1 in (29 mm) stereo speaker delivers rich and crisp sound, with 5 adjustable volume levels that can reach a maximum of 115 dB. You can easily choose from 52 melodies by pressing the Next or Previous button.

HIGH PERFORMANCE TRANSMITTER: The transmitter has an ultra-low power consumption and uses a CR2032 lithium battery that boasts a 3-year maximum lifespan. It has an IP55 dustproof and waterproof rating, and it can withstand various harsh weather conditions, operating between -4 °F to 140 °F.

MEMORY FUNCTION: The device remembers your last melody and volume level after a power outage, so there's no need to reset to your previous settings. The convenient and easy-to-use design provides an enhanced user experience.

product information: