Schneider Electric Merten inserts MTN3156-0000 is a push button insert.Its matching mounting box can be recessed into the surface of the wall with flush type. Its fixing mode is by screws and claws.Being made of metal, plastic material, this push-button is quite reliable and resistant.This push-button is SVHC (substances of very high concern) free too.Besides it is halogen free halogen free, which is good for your health.This is a 2-way push-button push-button and the control type of this push-button is rocker.In addition, the rated operational voltage of this device is 250V. And its rated current is 10.Besides, the IP rating of this device is IP20.Being environmentally friendly, this push-button is a green premium product too.And it is mercury free.