Color
Black/White/silver, etc.
Glass size customized
The front glass size can be customized as need
Function buttons
WC, elevator, Room numbers etc. indicator
LED back-light
With LED indicator (white/blue/red/green/orange
Big back light area
the LED back light area is big
Exclusive design icons
all words and icons exclusive design, customize available
Voltage
80-260V AC wide voltage, or 12V DC version
Install
product back is 86 style back box for easy in wall or out wall install