16 Golden Melody
Overlong remote could be 100 meters, the sound of signal reach at once at your will; even through it is used in high building, villa or other complex building
Created doorbell with it's professional technology and "it-fashion" design
Powerfully anti disturbed system and the timbre frequency coding completely eliminate the interferential signal and mistaken voice, the internal safety system is also above the average, appearing to be respectable

Suitable for flat, office, shop, warehouse, shed, garage etc
Flash light on when visitors pressing the remote button
The door bell can be installed at random by a EU Round plug 200/ 240V 50~60 Hz
The button can be fixed or pasted and powered by one 23A 12V battery (the battery's longevity of service is up to around one year by 20 times each day)
Volume and melody adjustable
No wiring required
Easy installation - just insert the batteries, and the complete doorbell system will be up and running instantly
With this doo