Specification:
Receiving distance:300 meters in open area
Volume:5 levels(can be mute) 0-110db
Melody:60 pcs
Size:Transmitter:72x46x21mm,Receiver:92x62x32mm
The button cannot be placed on an iron door because it will interfere with the signal.
Package Included:
1 * CACAZI Smart Wireless Doorbell Waterproof Button
1 * Receiver
