Product parameters:
The transmitter: No battery required Self Powered;
Receiving distance:150M( open area );
Volume:4 files(can be mute) 0-110db;
Ringtones:51 pcs;
Transmitter size:75X45X18MM;
Receiver size:108X67X26MM;
Receivers Rated voltage : AC 110V-220V -240V;
Package Includes:
1 Wireless Doorbell;
1 Button Receiver;
Product Attributes: