DESCRIPTION
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 * Smart Wireless Doorbell Waterproof Button;
1 * Receiver;
