DOOR BELL-W99015+90051

Specification: 

●Clean&Frequency:433.92MHZ 

●Power Source: Receiver: 3*1.5V AA(excluded);                         

●Remote:3V

●CR2032(included)

●Simple learning function

●Memory function

●Appearance color :White

●Plastic material:  ABS 

●Blue LED indicator

●Transmission distance range:max.150m(open air)

●Sound Level: ≥85dB