·  Wireless Digital Doorchime(DC).
·  CE International standard frequency: 433MHz 434MHz.
·  Anti-interference digital technology.
·  Remote control distance is more than 120m.
·  Remote controller by IP44 waterproof certified.
·  32 different ring tones are free for select, elegant sweet.
·  Doorbell: DC4.5V, Remote controller DC12V.
·  Adopt energy-saving patent technology, the battery of remote controller can be used for 2 years, doorbell battery is available for 1 year.
·  Blister packing, 60sets/carton.

Scope：

Family、Commercial Housing、Restaurant Etc.