•38 Different Chimes

•Frequency:433.92MHZ

•Power Supply: Receiver 2X1.5V AA

•Remote CR2032*1 included

•Simple learning function

•4 Volume Levels

•Transmission distance range: up to 150m(open air)

•Sound Level:  90dB

•Remote with IP44 waterproof

•The front of the doorbell is covered with more than 10 colors to choose from