Touch Door Bell Switch:

 Product features:
High quality crystal tempered glass panel design, never fade.
With blue LED indicator, very distinguished.
E-start, no sparking contacts.
Brand new imported American IC & capacitive touch sense, more superior performance & sensitive touch.
Overload & overheat protections, make your home safer.
Single live wire control, easy to install, replace the old switch directly.
Used for Ding-dong doorbell ONLY.
 
Specifications:
Dimension: 120*72*42mm
Operating voltage: 110-240VAC/50Hz~60Hz.
Rated load: less than 100W/Gang
Life long: more than 100,000 times