Schneider Electric Merten inserts MTN3150-0000 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.The push-button is made of metal, plastic, making it as resistant as possible.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 1-way push-button and the control type of this push-button is rocker.250V is the rated operational voltage. And its rated current is 10.The IP rating of this device is IP20.As a green premium product, this device is environmentally friendly as well.And it is mercury free.And heavy metal free, which takes care of the environment and your health as always.