Schneider Electric Merten MTN568099 is a push-button dimmer. Its matching mounting box can be recessed into the surface of the wall with flush type. Being made of metal, plastic material, this push-button dimmer is quite reliable and resistant. 230V is the rated operational voltage. whose maximum power allowed is 50...400VA. Besides it is halogen free halogen free, which is good for your health. And the control type of this push-button dimmer is push-button. The fixing mode of this device is by screws and claws. The IP rating of this device is IP20. Being environmentally friendly, this push-button dimmer is a green premium product too. And it is mercury free