NOSDON Doorbell Wireless Waterproof Home Smart Caller

Have you encountered the following troubles in daily life? Choosing the wrong doorbell is inevitable, and friends visit and shout, but you can't hear them
Baby sleeping, volume cannot be adjusted. Baby awakened

Doorbell wireless home intelligent ultra-long distance electronic remote control waterproof door Ling

Model A68
Model: 300 meters away from open space without interference
Ringtone 60 chord music
Product color: Flowing sand gold
Volume 0-110 decibels, adjustable in four levels
Temperature -20 C~50 C
Receiver 110-240V, 50/60HZ
Wireless frequency 433MHz

What's in the box
1 x Receiver
1 x Transmitter