The button cannot be placed on an iron door because it will interfere with the signal.
Works during heavy rainfall. However, we recommend buying a waterproof cover for long term use.
36 Ringtones / 4 Files Volume Optional (can be mute)
36 ringtones and 4 file volume for your option,you can select regularly,
and dont feel bored.Avoid the same ring with the neighbors
Material:ABS
Color:White/Black
Plug:EU/US/UK Plug-in( US plug + AU adapter)
Receiver voltage: AC110-240V
Ring Tone:60 polyphonic ring tones for optional
Volume:5 Files(cinclude mute)
Waterproof: IP44(Transmitter)
Remote Range:300 meters in opening area
Transmitter power: 12V23A alkaline battery(not included)
the receiver into the socket , Press the button on the exterior wall to remind.