Microdigit Royale Wireless Digital Door Bell & Button Set .
Products features
Set code : code to set a combination of upto 20 buttons to unlimited door bell .
More Features
Volume :36 volume levels - Maximum volume : 80 db .
Radio frequency : 433 Mhz
Safety : Button with IP44 Protection .
Range : up to 150m open places without electromagnetic interference Optical signalization on door bell and button .
1 Bell & 1 Button
